21114370

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25439}}^1$

素因数の和:25529

約数の個数: 16

約数和(自身を含む): 38465280

約数和(自身を除く): 17350910

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 25439, 50878, 127195, 254390, 2111437, 4222874, 10557185, 21114370]

約数ペア:

[(1, 21114370), (2, 10557185), (5, 4222874), (10, 2111437), (83, 254390), (166, 127195), (415, 50878), (830, 25439)]