21309502

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:911

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 11349698

約数列:

[1, 2, 59, 118, 419, 431, 838, 862, 24721, 25429, 49442, 50858, 180589, 361178, 10654751, 21309502]

約数ペア:

[(1, 21309502), (2, 10654751), (59, 361178), (118, 180589), (419, 50858), (431, 49442), (838, 25429), (862, 24721)]