21930544

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80627}}^1$

素因数の和:80652

約数の個数: 20

約数和(自身を含む): 44990424

約数和(自身を除く): 23059880

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80627, 161254, 322508, 645016, 1290032, 1370659, 2741318, 5482636, 10965272, 21930544]

約数ペア:

[(1, 21930544), (2, 10965272), (4, 5482636), (8, 2741318), (16, 1370659), (17, 1290032), (34, 645016), (68, 322508), (136, 161254), (272, 80627)]