21359216

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18287}}^1$

素因数の和:18368

約数の個数: 20

約数和(自身を含む): 41952672

約数和(自身を除く): 20593456

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18287, 36574, 73148, 146296, 292592, 1334951, 2669902, 5339804, 10679608, 21359216]

約数ペア:

[(1, 21359216), (2, 10679608), (4, 5339804), (8, 2669902), (16, 1334951), (73, 292592), (146, 146296), (292, 73148), (584, 36574), (1168, 18287)]