21677365

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 26593920

約数和(自身を除く): 4916555

約数列:

[1, 5, 71, 227, 269, 355, 1135, 1345, 16117, 19099, 61063, 80585, 95495, 305315, 4335473, 21677365]

約数ペア:

[(1, 21677365), (5, 4335473), (71, 305315), (227, 95495), (269, 80585), (355, 61063), (1135, 19099), (1345, 16117)]