2021990222

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7601467}}^1$

素因数の和:7601495

約数の個数: 16

約数和(自身を含む): 3648704640

約数和(自身を除く): 1626714418

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 7601467, 15202934, 53210269, 106420538, 144427873, 288855746, 1010995111, 2021990222]

約数ペア:

[(1, 2021990222), (2, 1010995111), (7, 288855746), (14, 144427873), (19, 106420538), (38, 53210269), (133, 15202934), (266, 7601467)]