21282608

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32443}}^1$

素因数の和:32492

約数の個数: 20

約数和(自身を含む): 42242088

約数和(自身を除く): 20959480

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32443, 64886, 129772, 259544, 519088, 1330163, 2660326, 5320652, 10641304, 21282608]

約数ペア:

[(1, 21282608), (2, 10641304), (4, 5320652), (8, 2660326), (16, 1330163), (41, 519088), (82, 259544), (164, 129772), (328, 64886), (656, 32443)]