21007101865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1\times {\mathrm{225241}}^1$

素因数の和:226080

約数の個数: 16

約数和(自身を含む): 26337096576

約数和(自身を除く): 5329994711

約数列:

[1, 5, 23, 115, 811, 4055, 18653, 93265, 225241, 1126205, 5180543, 25902715, 182670451, 913352255, 4201420373, 21007101865]

約数ペア:

[(1, 21007101865), (5, 4201420373), (23, 913352255), (115, 182670451), (811, 25902715), (4055, 5180543), (18653, 1126205), (93265, 225241)]