21084668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2111}}^1$

素因数の和:2353

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 19364356

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 2111, 2497, 4222, 4994, 8444, 9988, 23221, 46442, 92884, 479197, 958394, 1916788, 5271167, 10542334, 21084668]

約数ペア:

[(1, 21084668), (2, 10542334), (4, 5271167), (11, 1916788), (22, 958394), (44, 479197), (227, 92884), (454, 46442), (908, 23221), (2111, 9988), (2497, 8444), (4222, 4994)]