21466475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 28554720

約数和(自身を除く): 7088245

約数列:

[1, 5, 23, 25, 37, 115, 185, 575, 851, 925, 1009, 4255, 5045, 21275, 23207, 25225, 37333, 116035, 186665, 580175, 858659, 933325, 4293295, 21466475]

約数ペア:

[(1, 21466475), (5, 4293295), (23, 933325), (25, 858659), (37, 580175), (115, 186665), (185, 116035), (575, 37333), (851, 25225), (925, 23207), (1009, 21275), (4255, 5045)]