21859542

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1877}}^1$

素因数の和:2532

約数の個数: 24

約数和(自身を含む): 47460816

約数和(自身を除く): 25601274

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1877, 1941, 3754, 3882, 5631, 5823, 11262, 11646, 16893, 33786, 1214419, 2428838, 3643257, 7286514, 10929771, 21859542]

約数ペア:

[(1, 21859542), (2, 10929771), (3, 7286514), (6, 3643257), (9, 2428838), (18, 1214419), (647, 33786), (1294, 16893), (1877, 11646), (1941, 11262), (3754, 5823), (3882, 5631)]