21159208

素因数分解:

$2^3\times 7^1\times {\mathrm{377843}}^1$

素因数の和:377856

約数の個数: 16

約数和(自身を含む): 45341280

約数和(自身を除く): 24182072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 377843, 755686, 1511372, 2644901, 3022744, 5289802, 10579604, 21159208]

約数ペア:

[(1, 21159208), (2, 10579604), (4, 5289802), (7, 3022744), (8, 2644901), (14, 1511372), (28, 755686), (56, 377843)]