21606628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1069}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 39307520

約数和(自身を除く): 17700892

約数列:

[1, 2, 4, 31, 62, 124, 163, 326, 652, 1069, 2138, 4276, 5053, 10106, 20212, 33139, 66278, 132556, 174247, 348494, 696988, 5401657, 10803314, 21606628]

約数ペア:

[(1, 21606628), (2, 10803314), (4, 5401657), (31, 696988), (62, 348494), (124, 174247), (163, 132556), (326, 66278), (652, 33139), (1069, 20212), (2138, 10106), (4276, 5053)]