21659526

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{433}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 53892384

約数和(自身を除く): 32232858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 397, 433, 794, 866, 1191, 1299, 2382, 2598, 2779, 3031, 3573, 3897, 5558, 6062, 7146, 7794, 8337, 9093, 16674, 18186, 25011, 27279, 50022, 54558, 171901, 343802, 515703, 1031406, 1203307, 1547109, 2406614, 3094218, 3609921, 7219842, 10829763, 21659526]

約数ペア:

[(1, 21659526), (2, 10829763), (3, 7219842), (6, 3609921), (7, 3094218), (9, 2406614), (14, 1547109), (18, 1203307), (21, 1031406), (42, 515703), (63, 343802), (126, 171901), (397, 54558), (433, 50022), (794, 27279), (866, 25011), (1191, 18186), (1299, 16674), (2382, 9093), (2598, 8337), (2779, 7794), (3031, 7146), (3573, 6062), (3897, 5558)]