21219564

素因数分解:

$2^2\times 3^1\times {\mathrm{487}}^1\times {\mathrm{3631}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 49627648

約数和(自身を除く): 28408084

約数列:

[1, 2, 3, 4, 6, 12, 487, 974, 1461, 1948, 2922, 3631, 5844, 7262, 10893, 14524, 21786, 43572, 1768297, 3536594, 5304891, 7073188, 10609782, 21219564]

約数ペア:

[(1, 21219564), (2, 10609782), (3, 7073188), (4, 5304891), (6, 3536594), (12, 1768297), (487, 43572), (974, 21786), (1461, 14524), (1948, 10893), (2922, 7262), (3631, 5844)]