21071001900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 576

約数和(自身を含む): 75070195200

約数和(自身を除く): 53999193300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 25, 26, 30, 34, 38, 39, 43, 50, 51, 52, 57, 60, 65, 68, 75, 76, 78, 85, 86, 95, 100, 102, 114, 129, 130, 150, 156, 170, 172, 190, 195, 204, 215, 221, 228, 247, 255, 258, 260, 285, 300, 323, 325, 340, 380, 389, 390, 425, 430, 442, 475, 494, 510, 516, 559, 570, 645, 646, 650, 663, 731, 741, 778, 780, 817, 850, 860, 884, 950, 969, 975, 988, 1020, 1075, 1105, 1118, 1140, 1167, 1235, 1275, 1290, 1292, 1300, 1326, 1425, 1462, 1482, 1556, 1615, 1634, 1677, 1700, 1900, 1938, 1945, 1950, 2150, 2193, 2210, 2236, 2334, 2451, 2470, 2550, 2580, 2652, 2795, 2850, 2924, 2964, 3225, 3230, 3268, 3315, 3354, 3655, 3705, 3876, 3890, 3900, 4085, 4199, 4300, 4386, 4420, 4668, 4845, 4902, 4940, 5057, 5100, 5525, 5590, 5700, 5835, 6175, 6450, 6460, 6613, 6630, 6708, 7310, 7391, 7410, 7780, 8075, 8170, 8385, 8398, 8772, 9503, 9690, 9725, 9804, 10114, 10621, 10965, 11050, 11180, 11670, 12255, 12350, 12597, 12900, 13226, 13260, 13889, 13975, 14620, 14782, 14820, 15171, 16150, 16340, 16575, 16727, 16770, 16796, 18275, 18525, 19006, 19380, 19450, 19839, 20228, 20425, 20995, 21242, 21930, 22100, 22173, 23340, 24225, 24510, 24700, 25194, 25285, 26452, 27778, 27950, 28509, 29175, 29564, 30342, 31863, 32300, 33065, 33150, 33454, 33540, 36550, 36955, 37050, 38012, 38900, 39678, 40850, 41667, 41925, 41990, 42484, 43860, 44346, 47515, 48450, 49020, 50181, 50388, 50570, 53105, 54825, 55556, 55900, 57018, 58350, 60684, 61275, 62985, 63726, 66130, 66300, 66908, 69445, 73100, 73910, 74100, 75855, 79356, 81700, 83334, 83635, 83850, 83980, 85969, 88692, 95030, 96083, 96900, 99195, 100362, 101140, 104975, 106210, 109650, 110865, 114036, 116700, 122550, 125647, 125970, 126425, 127452, 132260, 138890, 142545, 147820, 151710, 159315, 165325, 166668, 167270, 167700, 171938, 180557, 184775, 190060, 192166, 198390, 200724, 208335, 209950, 212420, 217451, 219300, 221730, 237575, 245100, 250905, 251294, 251940, 252850, 257907, 265525, 277780, 284359, 285090, 288249, 303420, 314925, 317813, 318630, 330650, 334540, 343876, 347225, 361114, 369550, 376941, 379275, 384332, 396780, 416670, 418175, 419900, 429845, 434902, 443460, 475150, 480415, 495975, 501810, 502588, 505700, 515814, 531050, 541671, 554325, 568718, 570180, 576498, 628235, 629850, 635626, 637260, 652353, 661300, 694450, 712725, 722228, 739100, 753882, 758550, 796575, 833340, 836350, 853077, 859690, 869804, 902785, 950300, 953439, 960830, 991950, 1003620, 1031628, 1041675, 1062100, 1083342, 1087255, 1108650, 1137436, 1152996, 1254525, 1256470, 1259700, 1271252, 1289535, 1304706, 1388900, 1421795, 1425450, 1441245, 1507764, 1517100, 1589065, 1593150, 1633411, 1672700, 1706154, 1719380, 1805570, 1884705, 1906878, 1921660, 1983900, 2083350, 2149225, 2166684, 2174510, 2217300, 2402075, 2509050, 2512940, 2579070, 2609412, 2708355, 2843590, 2850900, 2882490, 3141175, 3178130, 3186300, 3261765, 3266822, 3412308, 3611140, 3696667, 3769410, 3813756, 4131569, 4166700, 4265385, 4298450, 4349020, 4513925, 4767195, 4804150, 4900233, 5018100, 5158140, 5402821, 5416710, 5436275, 5687180, 5764980, 6282350, 6356260, 6447675, 6523530, 6533644, 7108975, 7206225, 7393334, 7538820, 7945325, 8167055, 8263138, 8530770, 8596900, 9027850, 9423525, 9534390, 9608300, 9800466, 10805642, 10833420, 10872550, 11090001, 12394707, 12564700, 12895350, 13047060, 13541775, 14217950, 14412450, 14786668, 15890650, 16208463, 16308825, 16334110, 16526276, 17061540, 18055700, 18483335, 18847050, 19068780, 19600932, 20657845, 21326925, 21611284, 21745100, 22180002, 23835975, 24501165, 24789414, 25790700, 27014105, 27083550, 28435900, 28824900, 31781300, 32416926, 32617650, 32668220, 36966670, 37694100, 40835275, 41315690, 42653850, 44360004, 47671950, 49002330, 49578828, 54028210, 54167100, 55450005, 61973535, 64833852, 65235300, 70236673, 73933340, 81042315, 81670550, 82631380, 85307700, 92416675, 95343900, 98004660, 103289225, 108056420, 110900010, 122505825, 123947070, 135070525, 140473346, 162084630, 163341100, 184833350, 206578450, 210710019, 221800020, 245011650, 247894140, 270141050, 277250025, 280946692, 309867675, 324169260, 351183365, 369666700, 405211575, 413156900, 421420038, 490023300, 540282100, 554500050, 619735350, 702366730, 810423150, 842840076, 1053550095, 1109000100, 1239470700, 1404733460, 1620846300, 1755916825, 2107100190, 3511833650, 4214200380, 5267750475, 7023667300, 10535500950, 21071001900]

約数ペア:

[(1, 21071001900), (2, 10535500950), (3, 7023667300), (4, 5267750475), (5, 4214200380), (6, 3511833650), (10, 2107100190), (12, 1755916825), (13, 1620846300), (15, 1404733460), (17, 1239470700), (19, 1109000100), (20, 1053550095), (25, 842840076), (26, 810423150), (30, 702366730), (34, 619735350), (38, 554500050), (39, 540282100), (43, 490023300), (50, 421420038), (51, 413156900), (52, 405211575), (57, 369666700), (60, 351183365), (65, 324169260), (68, 309867675), (75, 280946692), (76, 277250025), (78, 270141050), (85, 247894140), (86, 245011650), (95, 221800020), (100, 210710019), (102, 206578450), (114, 184833350), (129, 163341100), (130, 162084630), (150, 140473346), (156, 135070525), (170, 123947070), (172, 122505825), (190, 110900010), (195, 108056420), (204, 103289225), (215, 98004660), (221, 95343900), (228, 92416675), (247, 85307700), (255, 82631380), (258, 81670550), (260, 81042315), (285, 73933340), (300, 70236673), (323, 65235300), (325, 64833852), (340, 61973535), (380, 55450005), (389, 54167100), (390, 54028210), (425, 49578828), (430, 49002330), (442, 47671950), (475, 44360004), (494, 42653850), (510, 41315690), (516, 40835275), (559, 37694100), (570, 36966670), (645, 32668220), (646, 32617650), (650, 32416926), (663, 31781300), (731, 28824900), (741, 28435900), (778, 27083550), (780, 27014105), (817, 25790700), (850, 24789414), (860, 24501165), (884, 23835975), (950, 22180002), (969, 21745100), (975, 21611284), (988, 21326925), (1020, 20657845), (1075, 19600932), (1105, 19068780), (1118, 18847050), (1140, 18483335), (1167, 18055700), (1235, 17061540), (1275, 16526276), (1290, 16334110), (1292, 16308825), (1300, 16208463), (1326, 15890650), (1425, 14786668), (1462, 14412450), (1482, 14217950), (1556, 13541775), (1615, 13047060), (1634, 12895350), (1677, 12564700), (1700, 12394707), (1900, 11090001), (1938, 10872550), (1945, 10833420), (1950, 10805642), (2150, 9800466), (2193, 9608300), (2210, 9534390), (2236, 9423525), (2334, 9027850), (2451, 8596900), (2470, 8530770), (2550, 8263138), (2580, 8167055), (2652, 7945325), (2795, 7538820), (2850, 7393334), (2924, 7206225), (2964, 7108975), (3225, 6533644), (3230, 6523530), (3268, 6447675), (3315, 6356260), (3354, 6282350), (3655, 5764980), (3705, 5687180), (3876, 5436275), (3890, 5416710), (3900, 5402821), (4085, 5158140), (4199, 5018100), (4300, 4900233), (4386, 4804150), (4420, 4767195), (4668, 4513925), (4845, 4349020), (4902, 4298450), (4940, 4265385), (5057, 4166700), (5100, 4131569), (5525, 3813756), (5590, 3769410), (5700, 3696667), (5835, 3611140), (6175, 3412308), (6450, 3266822), (6460, 3261765), (6613, 3186300), (6630, 3178130), (6708, 3141175), (7310, 2882490), (7391, 2850900), (7410, 2843590), (7780, 2708355), (8075, 2609412), (8170, 2579070), (8385, 2512940), (8398, 2509050), (8772, 2402075), (9503, 2217300), (9690, 2174510), (9725, 2166684), (9804, 2149225), (10114, 2083350), (10621, 1983900), (10965, 1921660), (11050, 1906878), (11180, 1884705), (11670, 1805570), (12255, 1719380), (12350, 1706154), (12597, 1672700), (12900, 1633411), (13226, 1593150), (13260, 1589065), (13889, 1517100), (13975, 1507764), (14620, 1441245), (14782, 1425450), (14820, 1421795), (15171, 1388900), (16150, 1304706), (16340, 1289535), (16575, 1271252), (16727, 1259700), (16770, 1256470), (16796, 1254525), (18275, 1152996), (18525, 1137436), (19006, 1108650), (19380, 1087255), (19450, 1083342), (19839, 1062100), (20228, 1041675), (20425, 1031628), (20995, 1003620), (21242, 991950), (21930, 960830), (22100, 953439), (22173, 950300), (23340, 902785), (24225, 869804), (24510, 859690), (24700, 853077), (25194, 836350), (25285, 833340), (26452, 796575), (27778, 758550), (27950, 753882), (28509, 739100), (29175, 722228), (29564, 712725), (30342, 694450), (31863, 661300), (32300, 652353), (33065, 637260), (33150, 635626), (33454, 629850), (33540, 628235), (36550, 576498), (36955, 570180), (37050, 568718), (38012, 554325), (38900, 541671), (39678, 531050), (40850, 515814), (41667, 505700), (41925, 502588), (41990, 501810), (42484, 495975), (43860, 480415), (44346, 475150), (47515, 443460), (48450, 434902), (49020, 429845), (50181, 419900), (50388, 418175), (50570, 416670), (53105, 396780), (54825, 384332), (55556, 379275), (55900, 376941), (57018, 369550), (58350, 361114), (60684, 347225), (61275, 343876), (62985, 334540), (63726, 330650), (66130, 318630), (66300, 317813), (66908, 314925), (69445, 303420), (73100, 288249), (73910, 285090), (74100, 284359), (75855, 277780), (79356, 265525), (81700, 257907), (83334, 252850), (83635, 251940), (83850, 251294), (83980, 250905), (85969, 245100), (88692, 237575), (95030, 221730), (96083, 219300), (96900, 217451), (99195, 212420), (100362, 209950), (101140, 208335), (104975, 200724), (106210, 198390), (109650, 192166), (110865, 190060), (114036, 184775), (116700, 180557), (122550, 171938), (125647, 167700), (125970, 167270), (126425, 166668), (127452, 165325), (132260, 159315), (138890, 151710), (142545, 147820)]