21480066

素因数分解:

$2^1\times 3^4\times {\mathrm{67}}^1\times {\mathrm{1979}}^1$

素因数の和:2060

約数の個数: 40

約数和(自身を含む): 48874320

約数和(自身を除く): 27394254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 402, 603, 1206, 1809, 1979, 3618, 3958, 5427, 5937, 10854, 11874, 17811, 35622, 53433, 106866, 132593, 160299, 265186, 320598, 397779, 795558, 1193337, 2386674, 3580011, 7160022, 10740033, 21480066]

約数ペア:

[(1, 21480066), (2, 10740033), (3, 7160022), (6, 3580011), (9, 2386674), (18, 1193337), (27, 795558), (54, 397779), (67, 320598), (81, 265186), (134, 160299), (162, 132593), (201, 106866), (402, 53433), (603, 35622), (1206, 17811), (1809, 11874), (1979, 10854), (3618, 5937), (3958, 5427)]