21031698

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{5303}}^1$

素因数の和:5969

約数の個数: 16

約数和(自身を含む): 42134976

約数和(自身を除く): 21103278

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 5303, 10606, 15909, 31818, 3505283, 7010566, 10515849, 21031698]

約数ペア:

[(1, 21031698), (2, 10515849), (3, 7010566), (6, 3505283), (661, 31818), (1322, 15909), (1983, 10606), (3966, 5303)]