21461078

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{691}}^1$

素因数の和:1039

約数の個数: 16

約数和(自身を含む): 32958576

約数和(自身を除く): 11497498

約数列:

[1, 2, 53, 106, 293, 586, 691, 1382, 15529, 31058, 36623, 73246, 202463, 404926, 10730539, 21461078]

約数ペア:

[(1, 21461078), (2, 10730539), (53, 404926), (106, 202463), (293, 73246), (586, 36623), (691, 31058), (1382, 15529)]