21986146

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1129}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 19019294

約数列:

[1, 2, 7, 13, 14, 26, 91, 107, 182, 214, 749, 1129, 1391, 1498, 2258, 2782, 7903, 9737, 14677, 15806, 19474, 29354, 102739, 120803, 205478, 241606, 845621, 1570439, 1691242, 3140878, 10993073, 21986146]

約数ペア:

[(1, 21986146), (2, 10993073), (7, 3140878), (13, 1691242), (14, 1570439), (26, 845621), (91, 241606), (107, 205478), (182, 120803), (214, 102739), (749, 29354), (1129, 19474), (1391, 15806), (1498, 14677), (2258, 9737), (2782, 7903)]