21127272

素因数分解:

$2^3\times 3^1\times {\mathrm{880303}}^1$

素因数の和:880312

約数の個数: 16

約数和(自身を含む): 52818240

約数和(自身を除く): 31690968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 880303, 1760606, 2640909, 3521212, 5281818, 7042424, 10563636, 21127272]

約数ペア:

[(1, 21127272), (2, 10563636), (3, 7042424), (4, 5281818), (6, 3521212), (8, 2640909), (12, 1760606), (24, 880303)]