21280864

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{60457}}^1$

素因数の和:60478

約数の個数: 24

約数和(自身を含む): 45706248

約数和(自身を除く): 24425384

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 60457, 120914, 241828, 483656, 665027, 967312, 1330054, 1934624, 2660108, 5320216, 10640432, 21280864]

約数ペア:

[(1, 21280864), (2, 10640432), (4, 5320216), (8, 2660108), (11, 1934624), (16, 1330054), (22, 967312), (32, 665027), (44, 483656), (88, 241828), (176, 120914), (352, 60457)]