21469599

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 32844240

約数和(自身を除く): 11374641

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1913, 3741, 5739, 11223, 17217, 55477, 82259, 166431, 246777, 499293, 740331, 2385511, 7156533, 21469599]

約数ペア:

[(1, 21469599), (3, 7156533), (9, 2385511), (29, 740331), (43, 499293), (87, 246777), (129, 166431), (261, 82259), (387, 55477), (1247, 17217), (1913, 11223), (3741, 5739)]