21949288

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2557}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 43741800

約数和(自身を除く): 21792512

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 232, 296, 1073, 2146, 2557, 4292, 5114, 8584, 10228, 20456, 74153, 94609, 148306, 189218, 296612, 378436, 593224, 756872, 2743661, 5487322, 10974644, 21949288]

約数ペア:

[(1, 21949288), (2, 10974644), (4, 5487322), (8, 2743661), (29, 756872), (37, 593224), (58, 378436), (74, 296612), (116, 189218), (148, 148306), (232, 94609), (296, 74153), (1073, 20456), (2146, 10228), (2557, 8584), (4292, 5114)]