21266204

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 38158848

約数和(自身を除く): 16892644

約数列:

[1, 2, 4, 71, 103, 142, 206, 284, 412, 727, 1454, 2908, 7313, 14626, 29252, 51617, 74881, 103234, 149762, 206468, 299524, 5316551, 10633102, 21266204]

約数ペア:

[(1, 21266204), (2, 10633102), (4, 5316551), (71, 299524), (103, 206468), (142, 149762), (206, 103234), (284, 74881), (412, 51617), (727, 29252), (1454, 14626), (2908, 7313)]