21530223

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16729}}^1$

素因数の和:16759

約数の個数: 24

約数和(自身を含む): 36538320

約数和(自身を除く): 15008097

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16729, 50187, 150561, 184019, 217477, 552057, 652431, 1656171, 1957293, 2392247, 7176741, 21530223]

約数ペア:

[(1, 21530223), (3, 7176741), (9, 2392247), (11, 1957293), (13, 1656171), (33, 652431), (39, 552057), (99, 217477), (117, 184019), (143, 150561), (429, 50187), (1287, 16729)]