21608278

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{1229}}^1$

素因数の和:1439

約数の個数: 16

約数和(自身を含む): 33210000

約数和(自身を除く): 11601722

約数列:

[1, 2, 59, 118, 149, 298, 1229, 2458, 8791, 17582, 72511, 145022, 183121, 366242, 10804139, 21608278]

約数ペア:

[(1, 21608278), (2, 10804139), (59, 366242), (118, 183121), (149, 145022), (298, 72511), (1229, 17582), (2458, 8791)]