21608740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{29201}}^1$

素因数の和:29247

約数の個数: 24

約数和(自身を含む): 46606392

約数和(自身を除く): 24997652

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 29201, 58402, 116804, 146005, 292010, 584020, 1080437, 2160874, 4321748, 5402185, 10804370, 21608740]

約数ペア:

[(1, 21608740), (2, 10804370), (4, 5402185), (5, 4321748), (10, 2160874), (20, 1080437), (37, 584020), (74, 292010), (148, 146005), (185, 116804), (370, 58402), (740, 29201)]