21104974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20411}}^1$

素因数の和:20471

約数の個数: 16

約数和(自身を含む): 35271936

約数和(自身を除く): 14166962

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20411, 40822, 224521, 449042, 959317, 1918634, 10552487, 21104974]

約数ペア:

[(1, 21104974), (2, 10552487), (11, 1918634), (22, 959317), (47, 449042), (94, 224521), (517, 40822), (1034, 20411)]