21102138

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{2953}}^1$

素因数の和:3358

約数の個数: 24

約数和(自身を含む): 45851988

約数和(自身を除く): 24749850

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 2953, 3573, 5906, 7146, 8859, 17718, 26577, 53154, 1172341, 2344682, 3517023, 7034046, 10551069, 21102138]

約数ペア:

[(1, 21102138), (2, 10551069), (3, 7034046), (6, 3517023), (9, 2344682), (18, 1172341), (397, 53154), (794, 26577), (1191, 17718), (2382, 8859), (2953, 7146), (3573, 5906)]