21482272

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3307}}^1$

素因数の和:3353

約数の個数: 48

約数和(自身を含む): 50016960

約数和(自身を除く): 28534688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3248, 3307, 6496, 6614, 13228, 23149, 26456, 46298, 52912, 92596, 95903, 105824, 185192, 191806, 370384, 383612, 671321, 740768, 767224, 1342642, 1534448, 2685284, 3068896, 5370568, 10741136, 21482272]

約数ペア:

[(1, 21482272), (2, 10741136), (4, 5370568), (7, 3068896), (8, 2685284), (14, 1534448), (16, 1342642), (28, 767224), (29, 740768), (32, 671321), (56, 383612), (58, 370384), (112, 191806), (116, 185192), (203, 105824), (224, 95903), (232, 92596), (406, 52912), (464, 46298), (812, 26456), (928, 23149), (1624, 13228), (3248, 6614), (3307, 6496)]