21820422

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12163}}^1$

素因数の和:12204

約数の個数: 32

約数和(自身を含む): 49045248

約数和(自身を除く): 27224826

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 12163, 24326, 36489, 72978, 158119, 279749, 316238, 474357, 559498, 839247, 948714, 1678494, 3636737, 7273474, 10910211, 21820422]

約数ペア:

[(1, 21820422), (2, 10910211), (3, 7273474), (6, 3636737), (13, 1678494), (23, 948714), (26, 839247), (39, 559498), (46, 474357), (69, 316238), (78, 279749), (138, 158119), (299, 72978), (598, 36489), (897, 24326), (1794, 12163)]