21521416

素因数分解:

$2^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1693}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 46347840

約数和(自身を除く): 24826424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 227, 454, 908, 1589, 1693, 1816, 3178, 3386, 6356, 6772, 11851, 12712, 13544, 23702, 47404, 94808, 384311, 768622, 1537244, 2690177, 3074488, 5380354, 10760708, 21521416]

約数ペア:

[(1, 21521416), (2, 10760708), (4, 5380354), (7, 3074488), (8, 2690177), (14, 1537244), (28, 768622), (56, 384311), (227, 94808), (454, 47404), (908, 23702), (1589, 13544), (1693, 12712), (1816, 11851), (3178, 6772), (3386, 6356)]