21904808

素因数分解:

$2^3\times {\mathrm{1367}}^1\times {\mathrm{2003}}^1$

素因数の和:3376

約数の個数: 16

約数和(自身を含む): 41122080

約数和(自身を除く): 19217272

約数列:

[1, 2, 4, 8, 1367, 2003, 2734, 4006, 5468, 8012, 10936, 16024, 2738101, 5476202, 10952404, 21904808]

約数ペア:

[(1, 21904808), (2, 10952404), (4, 5476202), (8, 2738101), (1367, 16024), (2003, 10936), (2734, 8012), (4006, 5468)]