21313518

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{48661}}^1$

素因数の和:48739

約数の個数: 16

約数和(自身を含む): 43211856

約数和(自身を除く): 21898338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 48661, 97322, 145983, 291966, 3552253, 7104506, 10656759, 21313518]

約数ペア:

[(1, 21313518), (2, 10656759), (3, 7104506), (6, 3552253), (73, 291966), (146, 145983), (219, 97322), (438, 48661)]