21945170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5821}}^1$

素因数の和:5870

約数の個数: 32

約数和(自身を含む): 44014320

約数和(自身を除く): 22069150

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5821, 11642, 29105, 58210, 75673, 151346, 168809, 337618, 378365, 756730, 844045, 1688090, 2194517, 4389034, 10972585, 21945170]

約数ペア:

[(1, 21945170), (2, 10972585), (5, 4389034), (10, 2194517), (13, 1688090), (26, 844045), (29, 756730), (58, 378365), (65, 337618), (130, 168809), (145, 151346), (290, 75673), (377, 58210), (754, 29105), (1885, 11642), (3770, 5821)]