21876175

素因数分解:

$5^2\times {\mathrm{557}}^1\times {\mathrm{1571}}^1$

素因数の和:2138

約数の個数: 12

約数和(自身を含む): 27192456

約数和(自身を除く): 5316281

約数列:

[1, 5, 25, 557, 1571, 2785, 7855, 13925, 39275, 875047, 4375235, 21876175]

約数ペア:

[(1, 21876175), (5, 4375235), (25, 875047), (557, 39275), (1571, 13925), (2785, 7855)]