21456564

素因数分解:

$2^2\times 3^1\times {\mathrm{439}}^1\times {\mathrm{4073}}^1$

素因数の和:4519

約数の個数: 24

約数和(自身を含む): 50191680

約数和(自身を除く): 28735116

約数列:

[1, 2, 3, 4, 6, 12, 439, 878, 1317, 1756, 2634, 4073, 5268, 8146, 12219, 16292, 24438, 48876, 1788047, 3576094, 5364141, 7152188, 10728282, 21456564]

約数ペア:

[(1, 21456564), (2, 10728282), (3, 7152188), (4, 5364141), (6, 3576094), (12, 1788047), (439, 48876), (878, 24438), (1317, 16292), (1756, 12219), (2634, 8146), (4073, 5268)]