21386032801

素因数分解:

$7^2\times {\mathrm{331}}^1\times {\mathrm{1318579}}^1$

素因数の和:1318924

約数の個数: 12

約数和(自身を含む): 24952807920

約数和(自身を除く): 3566775119

約数列:

[1, 7, 49, 331, 2317, 16219, 1318579, 9230053, 64610371, 436449649, 3055147543, 21386032801]

約数ペア:

[(1, 21386032801), (7, 3055147543), (49, 436449649), (331, 64610371), (2317, 9230053), (16219, 1318579)]