21977958

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 22950042

約数列:

[1, 2, 3, 6, 79, 158, 199, 233, 237, 398, 466, 474, 597, 699, 1194, 1398, 15721, 18407, 31442, 36814, 46367, 47163, 55221, 92734, 94326, 110442, 139101, 278202, 3662993, 7325986, 10988979, 21977958]

約数ペア:

[(1, 21977958), (2, 10988979), (3, 7325986), (6, 3662993), (79, 278202), (158, 139101), (199, 110442), (233, 94326), (237, 92734), (398, 55221), (466, 47163), (474, 46367), (597, 36814), (699, 31442), (1194, 18407), (1398, 15721)]