21019661520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{16553}}^1$

素因数の和:16630

約数の個数: 320

約数和(自身を含む): 78626467584

約数和(自身を除く): 57606806064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 37, 39, 40, 44, 48, 52, 55, 60, 65, 66, 74, 78, 80, 88, 104, 110, 111, 120, 130, 132, 143, 148, 156, 165, 176, 185, 195, 208, 220, 222, 240, 260, 264, 286, 296, 312, 330, 370, 390, 407, 429, 440, 444, 481, 520, 528, 555, 572, 592, 624, 660, 715, 740, 780, 814, 858, 880, 888, 962, 1040, 1110, 1144, 1221, 1320, 1430, 1443, 1480, 1560, 1628, 1716, 1776, 1924, 2035, 2145, 2220, 2288, 2405, 2442, 2640, 2860, 2886, 2960, 3120, 3256, 3432, 3848, 4070, 4290, 4440, 4810, 4884, 5291, 5720, 5772, 6105, 6512, 6864, 7215, 7696, 8140, 8580, 8880, 9620, 9768, 10582, 11440, 11544, 12210, 14430, 15873, 16280, 16553, 17160, 19240, 19536, 21164, 23088, 24420, 26455, 28860, 31746, 32560, 33106, 34320, 38480, 42328, 48840, 49659, 52910, 57720, 63492, 66212, 79365, 82765, 84656, 97680, 99318, 105820, 115440, 126984, 132424, 158730, 165530, 182083, 198636, 211640, 215189, 248295, 253968, 264848, 317460, 331060, 364166, 397272, 423280, 430378, 496590, 546249, 612461, 634920, 645567, 662120, 728332, 794544, 860756, 910415, 993180, 1075945, 1092498, 1224922, 1269840, 1291134, 1324240, 1456664, 1721512, 1820830, 1837383, 1986360, 2151890, 2184996, 2367079, 2449844, 2582268, 2731245, 2913328, 3062305, 3227835, 3443024, 3641660, 3674766, 3972720, 4303780, 4369992, 4734158, 4899688, 5164536, 5462490, 6124610, 6455670, 6737071, 7101237, 7283320, 7349532, 7961993, 8607560, 8739984, 9186915, 9468316, 9799376, 10329072, 10924980, 11835395, 12249220, 12911340, 13474142, 14202474, 14566640, 14699064, 15923986, 17215120, 18373830, 18936632, 20211213, 21849960, 23670790, 23885979, 24498440, 25822680, 26948284, 28404948, 29398128, 31847972, 33685355, 35506185, 36747660, 37873264, 39809965, 40422426, 43699920, 47341580, 47771958, 48996880, 51645360, 53896568, 56809896, 63695944, 67370710, 71012370, 73495320, 79619930, 80844852, 87581923, 94683160, 95543916, 101056065, 107793136, 113619792, 119429895, 127391888, 134741420, 142024740, 146990640, 159239860, 161689704, 175163846, 189366320, 191087832, 202112130, 238859790, 262745769, 269482840, 284049480, 318479720, 323379408, 350327692, 382175664, 404224260, 437909615, 477719580, 525491538, 538965680, 568098960, 636959440, 700655384, 808448520, 875819230, 955439160, 1050983076, 1313728845, 1401310768, 1616897040, 1751638460, 1910878320, 2101966152, 2627457690, 3503276920, 4203932304, 5254915380, 7006553840, 10509830760, 21019661520]

約数ペア:

[(1, 21019661520), (2, 10509830760), (3, 7006553840), (4, 5254915380), (5, 4203932304), (6, 3503276920), (8, 2627457690), (10, 2101966152), (11, 1910878320), (12, 1751638460), (13, 1616897040), (15, 1401310768), (16, 1313728845), (20, 1050983076), (22, 955439160), (24, 875819230), (26, 808448520), (30, 700655384), (33, 636959440), (37, 568098960), (39, 538965680), (40, 525491538), (44, 477719580), (48, 437909615), (52, 404224260), (55, 382175664), (60, 350327692), (65, 323379408), (66, 318479720), (74, 284049480), (78, 269482840), (80, 262745769), (88, 238859790), (104, 202112130), (110, 191087832), (111, 189366320), (120, 175163846), (130, 161689704), (132, 159239860), (143, 146990640), (148, 142024740), (156, 134741420), (165, 127391888), (176, 119429895), (185, 113619792), (195, 107793136), (208, 101056065), (220, 95543916), (222, 94683160), (240, 87581923), (260, 80844852), (264, 79619930), (286, 73495320), (296, 71012370), (312, 67370710), (330, 63695944), (370, 56809896), (390, 53896568), (407, 51645360), (429, 48996880), (440, 47771958), (444, 47341580), (481, 43699920), (520, 40422426), (528, 39809965), (555, 37873264), (572, 36747660), (592, 35506185), (624, 33685355), (660, 31847972), (715, 29398128), (740, 28404948), (780, 26948284), (814, 25822680), (858, 24498440), (880, 23885979), (888, 23670790), (962, 21849960), (1040, 20211213), (1110, 18936632), (1144, 18373830), (1221, 17215120), (1320, 15923986), (1430, 14699064), (1443, 14566640), (1480, 14202474), (1560, 13474142), (1628, 12911340), (1716, 12249220), (1776, 11835395), (1924, 10924980), (2035, 10329072), (2145, 9799376), (2220, 9468316), (2288, 9186915), (2405, 8739984), (2442, 8607560), (2640, 7961993), (2860, 7349532), (2886, 7283320), (2960, 7101237), (3120, 6737071), (3256, 6455670), (3432, 6124610), (3848, 5462490), (4070, 5164536), (4290, 4899688), (4440, 4734158), (4810, 4369992), (4884, 4303780), (5291, 3972720), (5720, 3674766), (5772, 3641660), (6105, 3443024), (6512, 3227835), (6864, 3062305), (7215, 2913328), (7696, 2731245), (8140, 2582268), (8580, 2449844), (8880, 2367079), (9620, 2184996), (9768, 2151890), (10582, 1986360), (11440, 1837383), (11544, 1820830), (12210, 1721512), (14430, 1456664), (15873, 1324240), (16280, 1291134), (16553, 1269840), (17160, 1224922), (19240, 1092498), (19536, 1075945), (21164, 993180), (23088, 910415), (24420, 860756), (26455, 794544), (28860, 728332), (31746, 662120), (32560, 645567), (33106, 634920), (34320, 612461), (38480, 546249), (42328, 496590), (48840, 430378), (49659, 423280), (52910, 397272), (57720, 364166), (63492, 331060), (66212, 317460), (79365, 264848), (82765, 253968), (84656, 248295), (97680, 215189), (99318, 211640), (105820, 198636), (115440, 182083), (126984, 165530), (132424, 158730)]