21925420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99661}}^1$

素因数の和:99681

約数の個数: 24

約数和(自身を含む): 50229648

約数和(自身を除く): 28304228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99661, 199322, 398644, 498305, 996610, 1096271, 1993220, 2192542, 4385084, 5481355, 10962710, 21925420]

約数ペア:

[(1, 21925420), (2, 10962710), (4, 5481355), (5, 4385084), (10, 2192542), (11, 1993220), (20, 1096271), (22, 996610), (44, 498305), (55, 398644), (110, 199322), (220, 99661)]