21350950

素因数分解:

$2^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{2557}}^1$

素因数の和:2736

約数の個数: 24

約数和(自身を含む): 39966192

約数和(自身を除く): 18615242

約数列:

[1, 2, 5, 10, 25, 50, 167, 334, 835, 1670, 2557, 4175, 5114, 8350, 12785, 25570, 63925, 127850, 427019, 854038, 2135095, 4270190, 10675475, 21350950]

約数ペア:

[(1, 21350950), (2, 10675475), (5, 4270190), (10, 2135095), (25, 854038), (50, 427019), (167, 127850), (334, 63925), (835, 25570), (1670, 12785), (2557, 8350), (4175, 5114)]