21816848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80209}}^1$

素因数の和:80234

約数の個数: 20

約数和(自身を含む): 44757180

約数和(自身を除く): 22940332

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80209, 160418, 320836, 641672, 1283344, 1363553, 2727106, 5454212, 10908424, 21816848]

約数ペア:

[(1, 21816848), (2, 10908424), (4, 5454212), (8, 2727106), (16, 1363553), (17, 1283344), (34, 641672), (68, 320836), (136, 160418), (272, 80209)]