21229335

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4409}}^1$

素因数の和:4527

約数の個数: 24

約数和(自身を含む): 37149840

約数和(自身を除く): 15920505

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4409, 4815, 13227, 22045, 39681, 66135, 198405, 471763, 1415289, 2358815, 4245867, 7076445, 21229335]

約数ペア:

[(1, 21229335), (3, 7076445), (5, 4245867), (9, 2358815), (15, 1415289), (45, 471763), (107, 198405), (321, 66135), (535, 39681), (963, 22045), (1605, 13227), (4409, 4815)]