21318125

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{1483}}^1$

素因数の和:1526

約数の個数: 20

約数和(自身を含む): 27816096

約数和(自身を除く): 6497971

約数列:

[1, 5, 23, 25, 115, 125, 575, 625, 1483, 2875, 7415, 14375, 34109, 37075, 170545, 185375, 852725, 926875, 4263625, 21318125]

約数ペア:

[(1, 21318125), (5, 4263625), (23, 926875), (25, 852725), (115, 185375), (125, 170545), (575, 37075), (625, 34109), (1483, 14375), (2875, 7415)]