21308949220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1\times {\mathrm{1129}}^1$

素因数の和:1697

約数の個数: 96

約数和(自身を含む): 48597141600

約数和(自身を除く): 27288192380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 317, 458, 634, 916, 1129, 1145, 1268, 1585, 2258, 2290, 2977, 3170, 4121, 4516, 4580, 5645, 5954, 6340, 8242, 11290, 11908, 14677, 14885, 16484, 20605, 22580, 29354, 29770, 41210, 58708, 59540, 72593, 73385, 82420, 145186, 146770, 258541, 290372, 293540, 357893, 362965, 517082, 715786, 725930, 943709, 1034164, 1292705, 1431572, 1451860, 1789465, 1887418, 2585410, 3361033, 3578930, 3774836, 4652609, 4718545, 5170820, 6722066, 7157860, 9305218, 9437090, 13444132, 16805165, 18610436, 18874180, 23263045, 33610330, 46526090, 67220660, 81957497, 93052180, 163914994, 327829988, 409787485, 819574970, 1065447461, 1639149940, 2130894922, 4261789844, 5327237305, 10654474610, 21308949220]

約数ペア:

[(1, 21308949220), (2, 10654474610), (4, 5327237305), (5, 4261789844), (10, 2130894922), (13, 1639149940), (20, 1065447461), (26, 819574970), (52, 409787485), (65, 327829988), (130, 163914994), (229, 93052180), (260, 81957497), (317, 67220660), (458, 46526090), (634, 33610330), (916, 23263045), (1129, 18874180), (1145, 18610436), (1268, 16805165), (1585, 13444132), (2258, 9437090), (2290, 9305218), (2977, 7157860), (3170, 6722066), (4121, 5170820), (4516, 4718545), (4580, 4652609), (5645, 3774836), (5954, 3578930), (6340, 3361033), (8242, 2585410), (11290, 1887418), (11908, 1789465), (14677, 1451860), (14885, 1431572), (16484, 1292705), (20605, 1034164), (22580, 943709), (29354, 725930), (29770, 715786), (41210, 517082), (58708, 362965), (59540, 357893), (72593, 293540), (73385, 290372), (82420, 258541), (145186, 146770)]