20212710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3319}}^1$

素因数の和:3365

約数の個数: 64

約数和(自身を含む): 57369600

約数和(自身を除く): 37156890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3319, 6090, 6638, 9957, 16595, 19914, 23233, 33190, 46466, 49785, 69699, 96251, 99570, 116165, 139398, 192502, 232330, 288753, 348495, 481255, 577506, 673757, 696990, 962510, 1347514, 1443765, 2021271, 2887530, 3368785, 4042542, 6737570, 10106355, 20212710]

約数ペア:

[(1, 20212710), (2, 10106355), (3, 6737570), (5, 4042542), (6, 3368785), (7, 2887530), (10, 2021271), (14, 1443765), (15, 1347514), (21, 962510), (29, 696990), (30, 673757), (35, 577506), (42, 481255), (58, 348495), (70, 288753), (87, 232330), (105, 192502), (145, 139398), (174, 116165), (203, 99570), (210, 96251), (290, 69699), (406, 49785), (435, 46466), (609, 33190), (870, 23233), (1015, 19914), (1218, 16595), (2030, 9957), (3045, 6638), (3319, 6090)]