21282222

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11863}}^1$

素因数の和:11904

約数の個数: 32

約数和(自身を含む): 47835648

約数和(自身を除く): 26553426

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11863, 23726, 35589, 71178, 154219, 272849, 308438, 462657, 545698, 818547, 925314, 1637094, 3547037, 7094074, 10641111, 21282222]

約数ペア:

[(1, 21282222), (2, 10641111), (3, 7094074), (6, 3547037), (13, 1637094), (23, 925314), (26, 818547), (39, 545698), (46, 462657), (69, 308438), (78, 272849), (138, 154219), (299, 71178), (598, 35589), (897, 23726), (1794, 11863)]