21614445

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:743

約数の個数: 40

約数和(自身を含む): 39273696

約数和(自身を除く): 17659251

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 643, 747, 1245, 1929, 2241, 3215, 3735, 5787, 6723, 9645, 11205, 17361, 28935, 33615, 52083, 53369, 86805, 160107, 260415, 266845, 480321, 800535, 1440963, 2401605, 4322889, 7204815, 21614445]

約数ペア:

[(1, 21614445), (3, 7204815), (5, 4322889), (9, 2401605), (15, 1440963), (27, 800535), (45, 480321), (81, 266845), (83, 260415), (135, 160107), (249, 86805), (405, 53369), (415, 52083), (643, 33615), (747, 28935), (1245, 17361), (1929, 11205), (2241, 9645), (3215, 6723), (3735, 5787)]