21850906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12899}}^1$

素因数の和:12930

約数の個数: 24

約数和(自身を含む): 41176800

約数和(自身を除く): 19325894

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12899, 25798, 90293, 141889, 180586, 283778, 993223, 1560779, 1986446, 3121558, 10925453, 21850906]

約数ペア:

[(1, 21850906), (2, 10925453), (7, 3121558), (11, 1986446), (14, 1560779), (22, 993223), (77, 283778), (121, 180586), (154, 141889), (242, 90293), (847, 25798), (1694, 12899)]