21442905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43319}}^1$

素因数の和:43341

約数の個数: 24

約数和(自身を含む): 40547520

約数和(自身を除く): 19104615

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43319, 129957, 216595, 389871, 476509, 649785, 1429527, 1949355, 2382545, 4288581, 7147635, 21442905]

約数ペア:

[(1, 21442905), (3, 7147635), (5, 4288581), (9, 2382545), (11, 1949355), (15, 1429527), (33, 649785), (45, 476509), (55, 389871), (99, 216595), (165, 129957), (495, 43319)]