21582968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{245261}}^1$

素因数の和:245278

約数の個数: 16

約数和(自身を含む): 44147160

約数和(自身を除く): 22564192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 245261, 490522, 981044, 1962088, 2697871, 5395742, 10791484, 21582968]

約数ペア:

[(1, 21582968), (2, 10791484), (4, 5395742), (8, 2697871), (11, 1962088), (22, 981044), (44, 490522), (88, 245261)]