21096790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14753}}^1$

素因数の和:14784

約数の個数: 32

約数和(自身を含む): 44616096

約数和(自身を除く): 23519306

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14753, 29506, 73765, 147530, 162283, 191789, 324566, 383578, 811415, 958945, 1622830, 1917890, 2109679, 4219358, 10548395, 21096790]

約数ペア:

[(1, 21096790), (2, 10548395), (5, 4219358), (10, 2109679), (11, 1917890), (13, 1622830), (22, 958945), (26, 811415), (55, 383578), (65, 324566), (110, 191789), (130, 162283), (143, 147530), (286, 73765), (715, 29506), (1430, 14753)]