21348103660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{274609}}^1$

素因数の和:274667

約数の個数: 72

約数和(自身を含む): 50655659040

約数和(自身を除く): 29307555380

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 460, 598, 676, 845, 1196, 1495, 1690, 2990, 3380, 3887, 5980, 7774, 15548, 19435, 38870, 77740, 274609, 549218, 1098436, 1373045, 2746090, 3569917, 5492180, 6316007, 7139834, 12632014, 14279668, 17849585, 25264028, 31580035, 35699170, 46408921, 63160070, 71398340, 82108091, 92817842, 126320140, 164216182, 185635684, 232044605, 328432364, 410540455, 464089210, 821080910, 928178420, 1067405183, 1642161820, 2134810366, 4269620732, 5337025915, 10674051830, 21348103660]

約数ペア:

[(1, 21348103660), (2, 10674051830), (4, 5337025915), (5, 4269620732), (10, 2134810366), (13, 1642161820), (20, 1067405183), (23, 928178420), (26, 821080910), (46, 464089210), (52, 410540455), (65, 328432364), (92, 232044605), (115, 185635684), (130, 164216182), (169, 126320140), (230, 92817842), (260, 82108091), (299, 71398340), (338, 63160070), (460, 46408921), (598, 35699170), (676, 31580035), (845, 25264028), (1196, 17849585), (1495, 14279668), (1690, 12632014), (2990, 7139834), (3380, 6316007), (3887, 5492180), (5980, 3569917), (7774, 2746090), (15548, 1373045), (19435, 1098436), (38870, 549218), (77740, 274609)]