21000742020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:377

約数の個数: 480

約数和(自身を含む): 71922090240

約数和(自身を除く): 50921348220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 41, 45, 46, 54, 59, 60, 69, 81, 82, 90, 92, 108, 115, 118, 123, 135, 138, 162, 164, 177, 180, 205, 207, 230, 233, 236, 246, 270, 276, 295, 324, 345, 354, 369, 405, 410, 414, 460, 466, 492, 531, 540, 590, 615, 621, 690, 699, 708, 738, 810, 820, 828, 885, 932, 943, 1035, 1062, 1107, 1165, 1180, 1230, 1242, 1357, 1380, 1398, 1476, 1593, 1620, 1770, 1845, 1863, 1886, 2070, 2097, 2124, 2214, 2330, 2419, 2460, 2484, 2655, 2714, 2796, 2829, 3105, 3186, 3321, 3495, 3540, 3690, 3726, 3772, 4071, 4140, 4194, 4428, 4660, 4715, 4779, 4838, 5310, 5359, 5428, 5535, 5658, 6210, 6291, 6372, 6642, 6785, 6990, 7257, 7380, 7452, 7965, 8142, 8388, 8487, 9315, 9430, 9553, 9558, 9676, 10485, 10620, 10718, 11070, 11316, 12095, 12213, 12420, 12582, 13284, 13570, 13747, 13980, 14145, 14514, 15930, 16077, 16284, 16605, 16974, 18630, 18860, 18873, 19106, 19116, 20355, 20970, 21436, 21771, 22140, 23895, 24190, 24426, 25164, 25461, 26795, 27140, 27494, 28290, 28659, 29028, 31455, 31860, 32154, 33210, 33948, 36285, 36639, 37260, 37746, 38212, 40710, 41241, 41940, 42435, 43542, 47765, 47790, 48231, 48380, 48852, 50922, 53590, 54988, 55637, 56580, 57318, 61065, 62910, 64308, 65313, 66420, 68735, 72570, 73278, 75492, 76383, 80385, 81420, 82482, 84870, 85977, 87084, 94365, 95530, 95580, 96462, 101844, 107180, 108855, 109917, 111274, 114636, 122130, 123723, 125820, 127305, 130626, 137470, 143295, 144693, 145140, 146556, 152766, 160770, 164964, 166911, 169740, 171954, 183195, 188730, 191060, 192924, 195939, 206205, 217710, 219719, 219834, 222548, 241155, 244260, 247446, 254610, 257931, 261252, 274940, 278185, 286590, 289386, 305532, 316181, 321540, 326565, 333822, 343908, 366390, 371169, 377460, 381915, 391878, 412410, 429885, 434079, 435420, 439438, 439668, 482310, 494892, 500733, 509220, 515862, 549585, 556370, 563627, 573180, 578772, 618615, 632362, 653130, 659157, 667644, 723465, 732780, 742338, 763830, 773793, 783756, 824820, 834555, 859770, 868158, 878876, 948543, 964620, 979695, 1001466, 1031724, 1098595, 1099170, 1112740, 1113507, 1127254, 1237230, 1264724, 1289655, 1306260, 1318314, 1446930, 1484676, 1502199, 1527660, 1547586, 1580905, 1669110, 1690881, 1719540, 1736316, 1855845, 1897086, 1959390, 1977471, 2002932, 2170395, 2197190, 2198340, 2227014, 2254508, 2474460, 2503665, 2579310, 2636628, 2818135, 2845629, 2893860, 3004398, 3095172, 3161810, 3295785, 3338220, 3381762, 3711690, 3794172, 3868965, 3918780, 3954942, 4340790, 4394380, 4454028, 4506597, 4742715, 5007330, 5072643, 5158620, 5567535, 5636270, 5691258, 5932413, 6008796, 6323620, 6591570, 6763524, 7423380, 7510995, 7737930, 7909884, 8454405, 8536887, 8681580, 9013194, 9485430, 9887355, 10014660, 10145286, 11135070, 11272540, 11382516, 11864826, 12963421, 13183140, 14228145, 15021990, 15217929, 15475860, 16908810, 17073774, 17797239, 18026388, 18970860, 19774710, 20290572, 22270140, 22532985, 23729652, 25363215, 25610661, 25926842, 28456290, 29662065, 30043980, 30435858, 33817620, 34147548, 35594478, 38890263, 39549420, 42684435, 45065970, 45653787, 50726430, 51221322, 51853684, 56912580, 59324130, 60871716, 64817105, 71188956, 76089645, 77780526, 85368870, 88986195, 90131940, 91307574, 101452860, 102442644, 116670789, 118648260, 128053305, 129634210, 152179290, 155561052, 170737740, 177972390, 182615148, 194451315, 228268935, 233341578, 256106610, 259268420, 304358580, 350012367, 355944780, 388902630, 456537870, 466683156, 512213220, 583353945, 700024734, 777805260, 913075740, 1050037101, 1166707890, 1400049468, 1750061835, 2100074202, 2333415780, 3500123670, 4200148404, 5250185505, 7000247340, 10500371010, 21000742020]

約数ペア:

[(1, 21000742020), (2, 10500371010), (3, 7000247340), (4, 5250185505), (5, 4200148404), (6, 3500123670), (9, 2333415780), (10, 2100074202), (12, 1750061835), (15, 1400049468), (18, 1166707890), (20, 1050037101), (23, 913075740), (27, 777805260), (30, 700024734), (36, 583353945), (41, 512213220), (45, 466683156), (46, 456537870), (54, 388902630), (59, 355944780), (60, 350012367), (69, 304358580), (81, 259268420), (82, 256106610), (90, 233341578), (92, 228268935), (108, 194451315), (115, 182615148), (118, 177972390), (123, 170737740), (135, 155561052), (138, 152179290), (162, 129634210), (164, 128053305), (177, 118648260), (180, 116670789), (205, 102442644), (207, 101452860), (230, 91307574), (233, 90131940), (236, 88986195), (246, 85368870), (270, 77780526), (276, 76089645), (295, 71188956), (324, 64817105), (345, 60871716), (354, 59324130), (369, 56912580), (405, 51853684), (410, 51221322), (414, 50726430), (460, 45653787), (466, 45065970), (492, 42684435), (531, 39549420), (540, 38890263), (590, 35594478), (615, 34147548), (621, 33817620), (690, 30435858), (699, 30043980), (708, 29662065), (738, 28456290), (810, 25926842), (820, 25610661), (828, 25363215), (885, 23729652), (932, 22532985), (943, 22270140), (1035, 20290572), (1062, 19774710), (1107, 18970860), (1165, 18026388), (1180, 17797239), (1230, 17073774), (1242, 16908810), (1357, 15475860), (1380, 15217929), (1398, 15021990), (1476, 14228145), (1593, 13183140), (1620, 12963421), (1770, 11864826), (1845, 11382516), (1863, 11272540), (1886, 11135070), (2070, 10145286), (2097, 10014660), (2124, 9887355), (2214, 9485430), (2330, 9013194), (2419, 8681580), (2460, 8536887), (2484, 8454405), (2655, 7909884), (2714, 7737930), (2796, 7510995), (2829, 7423380), (3105, 6763524), (3186, 6591570), (3321, 6323620), (3495, 6008796), (3540, 5932413), (3690, 5691258), (3726, 5636270), (3772, 5567535), (4071, 5158620), (4140, 5072643), (4194, 5007330), (4428, 4742715), (4660, 4506597), (4715, 4454028), (4779, 4394380), (4838, 4340790), (5310, 3954942), (5359, 3918780), (5428, 3868965), (5535, 3794172), (5658, 3711690), (6210, 3381762), (6291, 3338220), (6372, 3295785), (6642, 3161810), (6785, 3095172), (6990, 3004398), (7257, 2893860), (7380, 2845629), (7452, 2818135), (7965, 2636628), (8142, 2579310), (8388, 2503665), (8487, 2474460), (9315, 2254508), (9430, 2227014), (9553, 2198340), (9558, 2197190), (9676, 2170395), (10485, 2002932), (10620, 1977471), (10718, 1959390), (11070, 1897086), (11316, 1855845), (12095, 1736316), (12213, 1719540), (12420, 1690881), (12582, 1669110), (13284, 1580905), (13570, 1547586), (13747, 1527660), (13980, 1502199), (14145, 1484676), (14514, 1446930), (15930, 1318314), (16077, 1306260), (16284, 1289655), (16605, 1264724), (16974, 1237230), (18630, 1127254), (18860, 1113507), (18873, 1112740), (19106, 1099170), (19116, 1098595), (20355, 1031724), (20970, 1001466), (21436, 979695), (21771, 964620), (22140, 948543), (23895, 878876), (24190, 868158), (24426, 859770), (25164, 834555), (25461, 824820), (26795, 783756), (27140, 773793), (27494, 763830), (28290, 742338), (28659, 732780), (29028, 723465), (31455, 667644), (31860, 659157), (32154, 653130), (33210, 632362), (33948, 618615), (36285, 578772), (36639, 573180), (37260, 563627), (37746, 556370), (38212, 549585), (40710, 515862), (41241, 509220), (41940, 500733), (42435, 494892), (43542, 482310), (47765, 439668), (47790, 439438), (48231, 435420), (48380, 434079), (48852, 429885), (50922, 412410), (53590, 391878), (54988, 381915), (55637, 377460), (56580, 371169), (57318, 366390), (61065, 343908), (62910, 333822), (64308, 326565), (65313, 321540), (66420, 316181), (68735, 305532), (72570, 289386), (73278, 286590), (75492, 278185), (76383, 274940), (80385, 261252), (81420, 257931), (82482, 254610), (84870, 247446), (85977, 244260), (87084, 241155), (94365, 222548), (95530, 219834), (95580, 219719), (96462, 217710), (101844, 206205), (107180, 195939), (108855, 192924), (109917, 191060), (111274, 188730), (114636, 183195), (122130, 171954), (123723, 169740), (125820, 166911), (127305, 164964), (130626, 160770), (137470, 152766), (143295, 146556), (144693, 145140)]