21227656

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16901}}^1$

素因数の和:17064

約数の個数: 16

約数和(自身を含む): 40057740

約数和(自身を除く): 18830084

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16901, 33802, 67604, 135208, 2653457, 5306914, 10613828, 21227656]

約数ペア:

[(1, 21227656), (2, 10613828), (4, 5306914), (8, 2653457), (157, 135208), (314, 67604), (628, 33802), (1256, 16901)]