21352048

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70237}}^1$

素因数の和:70264

約数の個数: 20

約数和(自身を含む): 43547560

約数和(自身を除く): 22195512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70237, 140474, 280948, 561896, 1123792, 1334503, 2669006, 5338012, 10676024, 21352048]

約数ペア:

[(1, 21352048), (2, 10676024), (4, 5338012), (8, 2669006), (16, 1334503), (19, 1123792), (38, 561896), (76, 280948), (152, 140474), (304, 70237)]