21301382975

素因数分解:

$5^2\times {\mathrm{127}}^1\times {\mathrm{829}}^1\times {\mathrm{8093}}^1$

素因数の和:9059

約数の個数: 24

約数和(自身を含む): 26657103360

約数和(自身を除く): 5355720385

約数列:

[1, 5, 25, 127, 635, 829, 3175, 4145, 8093, 20725, 40465, 105283, 202325, 526415, 1027811, 2632075, 5139055, 6709097, 25695275, 33545485, 167727425, 852055319, 4260276595, 21301382975]

約数ペア:

[(1, 21301382975), (5, 4260276595), (25, 852055319), (127, 167727425), (635, 33545485), (829, 25695275), (3175, 6709097), (4145, 5139055), (8093, 2632075), (20725, 1027811), (40465, 526415), (105283, 202325)]