21290886

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{3779}}^1$

素因数の和:4100

約数の個数: 24

約数和(自身を含む): 46289880

約数和(自身を除く): 24998994

約数列:

[1, 2, 3, 6, 9, 18, 313, 626, 939, 1878, 2817, 3779, 5634, 7558, 11337, 22674, 34011, 68022, 1182827, 2365654, 3548481, 7096962, 10645443, 21290886]

約数ペア:

[(1, 21290886), (2, 10645443), (3, 7096962), (6, 3548481), (9, 2365654), (18, 1182827), (313, 68022), (626, 34011), (939, 22674), (1878, 11337), (2817, 7558), (3779, 5634)]