21942405

素因数分解:

$3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1723}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 38190048

約数和(自身を除く): 16247643

約数列:

[1, 3, 5, 9, 15, 45, 283, 849, 1415, 1723, 2547, 4245, 5169, 8615, 12735, 15507, 25845, 77535, 487609, 1462827, 2438045, 4388481, 7314135, 21942405]

約数ペア:

[(1, 21942405), (3, 7314135), (5, 4388481), (9, 2438045), (15, 1462827), (45, 487609), (283, 77535), (849, 25845), (1415, 15507), (1723, 12735), (2547, 8615), (4245, 5169)]