21265352

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20595448

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 232, 284, 568, 1291, 2059, 2582, 4118, 5164, 8236, 10328, 16472, 37439, 74878, 91661, 149756, 183322, 299512, 366644, 733288, 2658169, 5316338, 10632676, 21265352]

約数ペア:

[(1, 21265352), (2, 10632676), (4, 5316338), (8, 2658169), (29, 733288), (58, 366644), (71, 299512), (116, 183322), (142, 149756), (232, 91661), (284, 74878), (568, 37439), (1291, 16472), (2059, 10328), (2582, 8236), (4118, 5164)]