21909588

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{13327}}^1$

素因数の和:13471

約数の個数: 24

約数和(自身を含む): 51499392

約数和(自身を除く): 29589804

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 13327, 26654, 39981, 53308, 79962, 159924, 1825799, 3651598, 5477397, 7303196, 10954794, 21909588]

約数ペア:

[(1, 21909588), (2, 10954794), (3, 7303196), (4, 5477397), (6, 3651598), (12, 1825799), (137, 159924), (274, 79962), (411, 53308), (548, 39981), (822, 26654), (1644, 13327)]