21750910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53051}}^1$

素因数の和:53099

約数の個数: 16

約数和(自身を含む): 40107312

約数和(自身を除く): 18356402

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 53051, 106102, 265255, 530510, 2175091, 4350182, 10875455, 21750910]

約数ペア:

[(1, 21750910), (2, 10875455), (5, 4350182), (10, 2175091), (41, 530510), (82, 265255), (205, 106102), (410, 53051)]