21525588

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9491}}^1$

素因数の和:9514

約数の個数: 60

約数和(自身を含む): 64317792

約数和(自身を除く): 42792204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9491, 18982, 28473, 37964, 56946, 66437, 85419, 113892, 132874, 170838, 199311, 256257, 265748, 341676, 398622, 512514, 597933, 768771, 797244, 1025028, 1195866, 1537542, 1793799, 2391732, 3075084, 3587598, 5381397, 7175196, 10762794, 21525588]

約数ペア:

[(1, 21525588), (2, 10762794), (3, 7175196), (4, 5381397), (6, 3587598), (7, 3075084), (9, 2391732), (12, 1793799), (14, 1537542), (18, 1195866), (21, 1025028), (27, 797244), (28, 768771), (36, 597933), (42, 512514), (54, 398622), (63, 341676), (81, 265748), (84, 256257), (108, 199311), (126, 170838), (162, 132874), (189, 113892), (252, 85419), (324, 66437), (378, 56946), (567, 37964), (756, 28473), (1134, 18982), (2268, 9491)]