21040850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5927}}^1$

素因数の和:6010

約数の個数: 24

約数和(自身を含む): 39693888

約数和(自身を除く): 18653038

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5927, 11854, 29635, 59270, 148175, 296350, 420817, 841634, 2104085, 4208170, 10520425, 21040850]

約数ペア:

[(1, 21040850), (2, 10520425), (5, 4208170), (10, 2104085), (25, 841634), (50, 420817), (71, 296350), (142, 148175), (355, 59270), (710, 29635), (1775, 11854), (3550, 5927)]