21092248

素因数分解:

$2^3\times {\mathrm{809}}^1\times {\mathrm{3259}}^1$

素因数の和:4074

約数の個数: 16

約数和(自身を含む): 39609000

約数和(自身を除く): 18516752

約数列:

[1, 2, 4, 8, 809, 1618, 3236, 3259, 6472, 6518, 13036, 26072, 2636531, 5273062, 10546124, 21092248]

約数ペア:

[(1, 21092248), (2, 10546124), (4, 5273062), (8, 2636531), (809, 26072), (1618, 13036), (3236, 6518), (3259, 6472)]