21552795

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43541}}^1$

素因数の和:43563

約数の個数: 24

約数和(自身を含む): 40755312

約数和(自身を除く): 19202517

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43541, 130623, 217705, 391869, 478951, 653115, 1436853, 1959345, 2394755, 4310559, 7184265, 21552795]

約数ペア:

[(1, 21552795), (3, 7184265), (5, 4310559), (9, 2394755), (11, 1959345), (15, 1436853), (33, 653115), (45, 478951), (55, 391869), (99, 217705), (165, 130623), (495, 43541)]