21561352

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141851}}^1$

素因数の和:141876

約数の個数: 16

約数和(自身を含む): 42555600

約数和(自身を除く): 20994248

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141851, 283702, 567404, 1134808, 2695169, 5390338, 10780676, 21561352]

約数ペア:

[(1, 21561352), (2, 10780676), (4, 5390338), (8, 2695169), (19, 1134808), (38, 567404), (76, 283702), (152, 141851)]