21316876

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10429}}^1$

素因数の和:10513

約数の個数: 24

約数和(自身を含む): 43221920

約数和(自身を除く): 21905044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10429, 20858, 41716, 73003, 146006, 292012, 761317, 1522634, 3045268, 5329219, 10658438, 21316876]

約数ペア:

[(1, 21316876), (2, 10658438), (4, 5329219), (7, 3045268), (14, 1522634), (28, 761317), (73, 292012), (146, 146006), (292, 73003), (511, 41716), (1022, 20858), (2044, 10429)]