21202024

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139487}}^1$

素因数の和:139512

約数の個数: 16

約数和(自身を含む): 41846400

約数和(自身を除く): 20644376

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 139487, 278974, 557948, 1115896, 2650253, 5300506, 10601012, 21202024]

約数ペア:

[(1, 21202024), (2, 10601012), (4, 5300506), (8, 2650253), (19, 1115896), (38, 557948), (76, 278974), (152, 139487)]