21547622

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:743

約数の個数: 16

約数和(自身を含む): 32804592

約数和(自身を除く): 11256970

約数列:

[1, 2, 157, 163, 314, 326, 421, 842, 25591, 51182, 66097, 68623, 132194, 137246, 10773811, 21547622]

約数ペア:

[(1, 21547622), (2, 10773811), (157, 137246), (163, 132194), (314, 68623), (326, 66097), (421, 51182), (842, 25591)]