21800295

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44041}}^1$

素因数の和:44063

約数の個数: 24

約数和(自身を含む): 41223312

約数和(自身を除く): 19423017

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 44041, 132123, 220205, 396369, 484451, 660615, 1453353, 1981845, 2422255, 4360059, 7266765, 21800295]

約数ペア:

[(1, 21800295), (3, 7266765), (5, 4360059), (9, 2422255), (11, 1981845), (15, 1453353), (33, 660615), (45, 484451), (55, 396369), (99, 220205), (165, 132123), (495, 44041)]