21296331

素因数分解:

$3^3\times 7^2\times {\mathrm{16097}}^1$

素因数の和:16120

約数の個数: 24

約数和(自身を含む): 36703440

約数和(自身を除く): 15407109

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 16097, 48291, 112679, 144873, 338037, 434619, 788753, 1014111, 2366259, 3042333, 7098777, 21296331]

約数ペア:

[(1, 21296331), (3, 7098777), (7, 3042333), (9, 2366259), (21, 1014111), (27, 788753), (49, 434619), (63, 338037), (147, 144873), (189, 112679), (441, 48291), (1323, 16097)]