21526678

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{521}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 32911056

約数和(自身を除く): 11384378

約数列:

[1, 2, 73, 146, 283, 521, 566, 1042, 20659, 38033, 41318, 76066, 147443, 294886, 10763339, 21526678]

約数ペア:

[(1, 21526678), (2, 10763339), (73, 294886), (146, 147443), (283, 76066), (521, 41318), (566, 38033), (1042, 20659)]