21893125

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1566

約数の個数: 20

約数和(自身を含む): 28565856

約数和(自身を除く): 6672731

約数列:

[1, 5, 23, 25, 115, 125, 575, 625, 1523, 2875, 7615, 14375, 35029, 38075, 175145, 190375, 875725, 951875, 4378625, 21893125]

約数ペア:

[(1, 21893125), (5, 4378625), (23, 951875), (25, 875725), (115, 190375), (125, 175145), (575, 38075), (625, 35029), (1523, 14375), (2875, 7615)]