21498574

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4549}}^1$

素因数の和:4707

約数の個数: 16

約数和(自身を含む): 34398000

約数和(自身を除く): 12899426

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4549, 4726, 9098, 77333, 154666, 632311, 1264622, 10749287, 21498574]

約数ペア:

[(1, 21498574), (2, 10749287), (17, 1264622), (34, 632311), (139, 154666), (278, 77333), (2363, 9098), (4549, 4726)]