21660651

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2243}}^1$

素因数の和:2315

約数の個数: 24

約数和(自身を含む): 33256080

約数和(自身を除く): 11595429

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 2243, 3219, 6729, 9657, 20187, 65047, 82991, 195141, 248973, 585423, 746919, 2406739, 7220217, 21660651]

約数ペア:

[(1, 21660651), (3, 7220217), (9, 2406739), (29, 746919), (37, 585423), (87, 248973), (111, 195141), (261, 82991), (333, 65047), (1073, 20187), (2243, 9657), (3219, 6729)]