21689917810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{201823}}^1$

素因数の和:202818

約数の個数: 32

約数和(自身を含む): 42634916352

約数和(自身を除く): 20944998542

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 977, 1954, 4885, 9770, 10747, 21494, 53735, 107470, 201823, 403646, 1009115, 2018230, 2220053, 4440106, 11100265, 22200530, 197181071, 394362142, 985905355, 1971810710, 2168991781, 4337983562, 10844958905, 21689917810]

約数ペア:

[(1, 21689917810), (2, 10844958905), (5, 4337983562), (10, 2168991781), (11, 1971810710), (22, 985905355), (55, 394362142), (110, 197181071), (977, 22200530), (1954, 11100265), (4885, 4440106), (9770, 2220053), (10747, 2018230), (21494, 1009115), (53735, 403646), (107470, 201823)]