2021897225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{821}}^1\times {\mathrm{4283}}^1$

素因数の和:5137

約数の個数: 24

約数和(自身を含む): 2619957312

約数和(自身を除く): 598060087

約数列:

[1, 5, 23, 25, 115, 575, 821, 4105, 4283, 18883, 20525, 21415, 94415, 98509, 107075, 472075, 492545, 2462725, 3516343, 17581715, 80875889, 87908575, 404379445, 2021897225]

約数ペア:

[(1, 2021897225), (5, 404379445), (23, 87908575), (25, 80875889), (115, 17581715), (575, 3516343), (821, 2462725), (4105, 492545), (4283, 472075), (18883, 107075), (20525, 98509), (21415, 94415)]