21965535

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5881}}^1$

素因数の和:5975

約数の個数: 24

約数和(自身を含む): 38538864

約数和(自身を除く): 16573329

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5881, 17643, 29405, 52929, 88215, 264645, 488123, 1464369, 2440615, 4393107, 7321845, 21965535]

約数ペア:

[(1, 21965535), (3, 7321845), (5, 4393107), (9, 2440615), (15, 1464369), (45, 488123), (83, 264645), (249, 88215), (415, 52929), (747, 29405), (1245, 17643), (3735, 5881)]