21000388625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{7304483}}^1$

素因数の和:7304521

約数の個数: 16

約数和(自身を含む): 27347988096

約数和(自身を除く): 6347599471

約数列:

[1, 5, 23, 25, 115, 125, 575, 2875, 7304483, 36522415, 168003109, 182612075, 840015545, 913060375, 4200077725, 21000388625]

約数ペア:

[(1, 21000388625), (5, 4200077725), (23, 913060375), (25, 840015545), (115, 182612075), (125, 168003109), (575, 36522415), (2875, 7304483)]