21629032

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 43156800

約数和(自身を除く): 21527768

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 359, 443, 718, 886, 1436, 1772, 2872, 3544, 6103, 7531, 12206, 15062, 24412, 30124, 48824, 60248, 159037, 318074, 636148, 1272296, 2703629, 5407258, 10814516, 21629032]

約数ペア:

[(1, 21629032), (2, 10814516), (4, 5407258), (8, 2703629), (17, 1272296), (34, 636148), (68, 318074), (136, 159037), (359, 60248), (443, 48824), (718, 30124), (886, 24412), (1436, 15062), (1772, 12206), (2872, 7531), (3544, 6103)]