21585105

素因数分解:

$3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1307}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 37544832

約数和(自身を除く): 15959727

約数列:

[1, 3, 5, 9, 15, 45, 367, 1101, 1307, 1835, 3303, 3921, 5505, 6535, 11763, 16515, 19605, 58815, 479669, 1439007, 2398345, 4317021, 7195035, 21585105]

約数ペア:

[(1, 21585105), (3, 7195035), (5, 4317021), (9, 2398345), (15, 1439007), (45, 479669), (367, 58815), (1101, 19605), (1307, 16515), (1835, 11763), (3303, 6535), (3921, 5505)]