21093920

素因数分解:

$2^5\times 5^1\times {\mathrm{131837}}^1$

素因数の和:131852

約数の個数: 24

約数和(自身を含む): 49834764

約数和(自身を除く): 28740844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 131837, 263674, 527348, 659185, 1054696, 1318370, 2109392, 2636740, 4218784, 5273480, 10546960, 21093920]

約数ペア:

[(1, 21093920), (2, 10546960), (4, 5273480), (5, 4218784), (8, 2636740), (10, 2109392), (16, 1318370), (20, 1054696), (32, 659185), (40, 527348), (80, 263674), (160, 131837)]