21602405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17077}}^1$

素因数の和:17116

約数の個数: 16

約数和(自身を含む): 29510784

約数和(自身を除く): 7908379

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 17077, 85385, 187847, 392771, 939235, 1963855, 4320481, 21602405]

約数ペア:

[(1, 21602405), (5, 4320481), (11, 1963855), (23, 939235), (55, 392771), (115, 187847), (253, 85385), (1265, 17077)]