21462861

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5351}}^1$

素因数の和:5552

約数の個数: 16

約数和(自身を含む): 32882688

約数和(自身を除く): 11419827

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 5351, 16053, 37457, 112371, 1022041, 3066123, 7154287, 21462861]

約数ペア:

[(1, 21462861), (3, 7154287), (7, 3066123), (21, 1022041), (191, 112371), (573, 37457), (1337, 16053), (4011, 5351)]