21815406

素因数分解:

$2^1\times 3^4\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:758

約数の個数: 40

約数和(自身を含む): 49153104

約数和(自身を除く): 27337698

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 311, 433, 622, 866, 933, 1299, 1866, 2598, 2799, 3897, 5598, 7794, 8397, 11691, 16794, 23382, 25191, 35073, 50382, 70146, 134663, 269326, 403989, 807978, 1211967, 2423934, 3635901, 7271802, 10907703, 21815406]

約数ペア:

[(1, 21815406), (2, 10907703), (3, 7271802), (6, 3635901), (9, 2423934), (18, 1211967), (27, 807978), (54, 403989), (81, 269326), (162, 134663), (311, 70146), (433, 50382), (622, 35073), (866, 25191), (933, 23382), (1299, 16794), (1866, 11691), (2598, 8397), (2799, 7794), (3897, 5598)]