21943216

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18787}}^1$

素因数の和:18868

約数の個数: 20

約数和(自身を含む): 43099672

約数和(自身を除く): 21156456

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18787, 37574, 75148, 150296, 300592, 1371451, 2742902, 5485804, 10971608, 21943216]

約数ペア:

[(1, 21943216), (2, 10971608), (4, 5485804), (8, 2742902), (16, 1371451), (73, 300592), (146, 150296), (292, 75148), (584, 37574), (1168, 18787)]