21994315

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{10651}}^1$

素因数の和:10722

約数の個数: 16

約数和(自身を含む): 30677760

約数和(自身を除く): 8683445

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 10651, 53255, 74557, 372785, 628409, 3142045, 4398863, 21994315]

約数ペア:

[(1, 21994315), (5, 4398863), (7, 3142045), (35, 628409), (59, 372785), (295, 74557), (413, 53255), (2065, 10651)]