21350644

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1553}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 42815808

約数和(自身を除く): 21465164

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1553, 1964, 3106, 3437, 6212, 6874, 10871, 13748, 21742, 43484, 762523, 1525046, 3050092, 5337661, 10675322, 21350644]

約数ペア:

[(1, 21350644), (2, 10675322), (4, 5337661), (7, 3050092), (14, 1525046), (28, 762523), (491, 43484), (982, 21742), (1553, 13748), (1964, 10871), (3106, 6874), (3437, 6212)]