21355578

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25243}}^1$

素因数の和:25298

約数の個数: 24

約数和(自身を含む): 47256768

約数和(自身を除く): 25901190

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25243, 50486, 75729, 151458, 227187, 454374, 1186421, 2372842, 3559263, 7118526, 10677789, 21355578]

約数ペア:

[(1, 21355578), (2, 10677789), (3, 7118526), (6, 3559263), (9, 2372842), (18, 1186421), (47, 454374), (94, 227187), (141, 151458), (282, 75729), (423, 50486), (846, 25243)]