21920032

素因数分解:

$2^5\times {\mathrm{685001}}^1$

素因数の和:685011

約数の個数: 12

約数和(自身を含む): 43155126

約数和(自身を除く): 21235094

約数列:

[1, 2, 4, 8, 16, 32, 685001, 1370002, 2740004, 5480008, 10960016, 21920032]

約数ペア:

[(1, 21920032), (2, 10960016), (4, 5480008), (8, 2740004), (16, 1370002), (32, 685001)]