21179045

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1277}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 26500608

約数和(自身を除く): 5321563

約数列:

[1, 5, 31, 107, 155, 535, 1277, 3317, 6385, 16585, 39587, 136639, 197935, 683195, 4235809, 21179045]

約数ペア:

[(1, 21179045), (5, 4235809), (31, 683195), (107, 197935), (155, 136639), (535, 39587), (1277, 16585), (3317, 6385)]