21759972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139487}}^1$

素因数の和:139507

約数の個数: 24

約数和(自身を含む): 54679296

約数和(自身を除く): 32919324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139487, 278974, 418461, 557948, 836922, 1673844, 1813331, 3626662, 5439993, 7253324, 10879986, 21759972]

約数ペア:

[(1, 21759972), (2, 10879986), (3, 7253324), (4, 5439993), (6, 3626662), (12, 1813331), (13, 1673844), (26, 836922), (39, 557948), (52, 418461), (78, 278974), (156, 139487)]