2021696215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{10079}}^1$

素因数の和:10623

約数の個数: 32

約数和(自身を含む): 3030773760

約数和(自身を除く): 1009077545

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 521, 2605, 3647, 5731, 10079, 18235, 28655, 40117, 50395, 70553, 110869, 200585, 352765, 554345, 776083, 3880415, 5251159, 26255795, 36758113, 57762749, 183790565, 288813745, 404339243, 2021696215]

約数ペア:

[(1, 2021696215), (5, 404339243), (7, 288813745), (11, 183790565), (35, 57762749), (55, 36758113), (77, 26255795), (385, 5251159), (521, 3880415), (2605, 776083), (3647, 554345), (5731, 352765), (10079, 200585), (18235, 110869), (28655, 70553), (40117, 50395)]