21873357

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2027}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 34800480

約数和(自身を除く): 12927123

約数列:

[1, 3, 9, 11, 33, 99, 109, 327, 981, 1199, 2027, 3597, 6081, 10791, 18243, 22297, 66891, 200673, 220943, 662829, 1988487, 2430373, 7291119, 21873357]

約数ペア:

[(1, 21873357), (3, 7291119), (9, 2430373), (11, 1988487), (33, 662829), (99, 220943), (109, 200673), (327, 66891), (981, 22297), (1199, 18243), (2027, 10791), (3597, 6081)]