21558328

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22271}}^1$

素因数の和:22299

約数の個数: 24

約数和(自身を含む): 44432640

約数和(自身を除く): 22874312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22271, 44542, 89084, 178168, 244981, 489962, 979924, 1959848, 2694791, 5389582, 10779164, 21558328]

約数ペア:

[(1, 21558328), (2, 10779164), (4, 5389582), (8, 2694791), (11, 1959848), (22, 979924), (44, 489962), (88, 244981), (121, 178168), (242, 89084), (484, 44542), (968, 22271)]