15921584

素因数分解:

$2^4\times 7^1\times {\mathrm{142157}}^1$

素因数の和:142172

約数の個数: 20

約数和(自身を含む): 35255184

約数和(自身を除く): 19333600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 142157, 284314, 568628, 995099, 1137256, 1990198, 2274512, 3980396, 7960792, 15921584]

約数ペア:

[(1, 15921584), (2, 7960792), (4, 3980396), (7, 2274512), (8, 1990198), (14, 1137256), (16, 995099), (28, 568628), (56, 284314), (112, 142157)]