21929265

素因数分解:

$3^3\times 5^1\times {\mathrm{162439}}^1$

素因数の和:162453

約数の個数: 16

約数和(自身を含む): 38985600

約数和(自身を除く): 17056335

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 162439, 487317, 812195, 1461951, 2436585, 4385853, 7309755, 21929265]

約数ペア:

[(1, 21929265), (3, 7309755), (5, 4385853), (9, 2436585), (15, 1461951), (27, 812195), (45, 487317), (135, 162439)]