21941235

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3559}}^1$

素因数の和:3707

約数の個数: 24

約数和(自身を含む): 38319840

約数和(自身を除く): 16378605

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 3559, 6165, 10677, 17795, 32031, 53385, 160155, 487583, 1462749, 2437915, 4388247, 7313745, 21941235]

約数ペア:

[(1, 21941235), (3, 7313745), (5, 4388247), (9, 2437915), (15, 1462749), (45, 487583), (137, 160155), (411, 53385), (685, 32031), (1233, 17795), (2055, 10677), (3559, 6165)]