21033082225

素因数分解:

$5^2\times {\mathrm{1511}}^1\times {\mathrm{556799}}^1$

素因数の和:558320

約数の個数: 12

約数和(自身を含む): 26098329600

約数和(自身を除く): 5065247375

約数列:

[1, 5, 25, 1511, 7555, 37775, 556799, 2783995, 13919975, 841323289, 4206616445, 21033082225]

約数ペア:

[(1, 21033082225), (5, 4206616445), (25, 841323289), (1511, 13919975), (7555, 2783995), (37775, 556799)]