21788556

素因数分解:

$2^2\times 3^1\times {\mathrm{313}}^1\times {\mathrm{5801}}^1$

素因数の和:6121

約数の個数: 24

約数和(自身を含む): 51011184

約数和(自身を除く): 29222628

約数列:

[1, 2, 3, 4, 6, 12, 313, 626, 939, 1252, 1878, 3756, 5801, 11602, 17403, 23204, 34806, 69612, 1815713, 3631426, 5447139, 7262852, 10894278, 21788556]

約数ペア:

[(1, 21788556), (2, 10894278), (3, 7262852), (4, 5447139), (6, 3631426), (12, 1815713), (313, 69612), (626, 34806), (939, 23204), (1252, 17403), (1878, 11602), (3756, 5801)]