21277458

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{5881}}^1$

素因数の和:5959

約数の個数: 32

約数和(自身を含む): 47997120

約数和(自身を除く): 26719662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 5881, 11762, 17643, 35286, 52929, 105858, 158787, 317574, 394027, 788054, 1182081, 2364162, 3546243, 7092486, 10638729, 21277458]

約数ペア:

[(1, 21277458), (2, 10638729), (3, 7092486), (6, 3546243), (9, 2364162), (18, 1182081), (27, 788054), (54, 394027), (67, 317574), (134, 158787), (201, 105858), (402, 52929), (603, 35286), (1206, 17643), (1809, 11762), (3618, 5881)]