21900875

素因数分解:

$5^3\times {\mathrm{241}}^1\times {\mathrm{727}}^1$

素因数の和:983

約数の個数: 16

約数和(自身を含む): 27483456

約数和(自身を除く): 5582581

約数列:

[1, 5, 25, 125, 241, 727, 1205, 3635, 6025, 18175, 30125, 90875, 175207, 876035, 4380175, 21900875]

約数ペア:

[(1, 21900875), (5, 4380175), (25, 876035), (125, 175207), (241, 90875), (727, 30125), (1205, 18175), (3635, 6025)]