21809644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{827}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 40340160

約数和(自身を除く): 18530516

約数列:

[1, 2, 4, 19, 38, 76, 347, 694, 827, 1388, 1654, 3308, 6593, 13186, 15713, 26372, 31426, 62852, 286969, 573938, 1147876, 5452411, 10904822, 21809644]

約数ペア:

[(1, 21809644), (2, 10904822), (4, 5452411), (19, 1147876), (38, 573938), (76, 286969), (347, 62852), (694, 31426), (827, 26372), (1388, 15713), (1654, 13186), (3308, 6593)]