21092445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42611}}^1$

素因数の和:42633

約数の個数: 24

約数和(自身を含む): 39884832

約数和(自身を除く): 18792387

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 42611, 127833, 213055, 383499, 468721, 639165, 1406163, 1917495, 2343605, 4218489, 7030815, 21092445]

約数ペア:

[(1, 21092445), (3, 7030815), (5, 4218489), (9, 2343605), (11, 1917495), (15, 1406163), (33, 639165), (45, 468721), (55, 383499), (99, 213055), (165, 127833), (495, 42611)]