21363364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1223}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 40920768

約数和(自身を除く): 19557404

約数列:

[1, 2, 4, 11, 22, 44, 397, 794, 1223, 1588, 2446, 4367, 4892, 8734, 13453, 17468, 26906, 53812, 485531, 971062, 1942124, 5340841, 10681682, 21363364]

約数ペア:

[(1, 21363364), (2, 10681682), (4, 5340841), (11, 1942124), (22, 971062), (44, 485531), (397, 53812), (794, 26906), (1223, 17468), (1588, 13453), (2446, 8734), (4367, 4892)]