21930740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84349}}^1$

素因数の和:84371

約数の個数: 24

約数和(自身を含む): 49597800

約数和(自身を除く): 27667060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 84349, 168698, 337396, 421745, 843490, 1096537, 1686980, 2193074, 4386148, 5482685, 10965370, 21930740]

約数ペア:

[(1, 21930740), (2, 10965370), (4, 5482685), (5, 4386148), (10, 2193074), (13, 1686980), (20, 1096537), (26, 843490), (52, 421745), (65, 337396), (130, 168698), (260, 84349)]