21146248

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{10531}}^1$

素因数の和:10788

約数の個数: 16

約数和(自身を含む): 39810960

約数和(自身を除く): 18664712

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 10531, 21062, 42124, 84248, 2643281, 5286562, 10573124, 21146248]

約数ペア:

[(1, 21146248), (2, 10573124), (4, 5286562), (8, 2643281), (251, 84248), (502, 42124), (1004, 21062), (2008, 10531)]