21054872

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{55997}}^1$

素因数の和:56050

約数の個数: 16

約数和(自身を含む): 40318560

約数和(自身を除く): 19263688

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 55997, 111994, 223988, 447976, 2631859, 5263718, 10527436, 21054872]

約数ペア:

[(1, 21054872), (2, 10527436), (4, 5263718), (8, 2631859), (47, 447976), (94, 223988), (188, 111994), (376, 55997)]