21656748

素因数分解:

$2^2\times 3^1\times {\mathrm{439}}^1\times {\mathrm{4111}}^1$

素因数の和:4557

約数の個数: 24

約数和(自身を含む): 50659840

約数和(自身を除く): 29003092

約数列:

[1, 2, 3, 4, 6, 12, 439, 878, 1317, 1756, 2634, 4111, 5268, 8222, 12333, 16444, 24666, 49332, 1804729, 3609458, 5414187, 7218916, 10828374, 21656748]

約数ペア:

[(1, 21656748), (2, 10828374), (3, 7218916), (4, 5414187), (6, 3609458), (12, 1804729), (439, 49332), (878, 24666), (1317, 16444), (1756, 12333), (2634, 8222), (4111, 5268)]