21022005

素因数分解:

$3^1\times 5^1\times {\mathrm{467}}^1\times {\mathrm{3001}}^1$

素因数の和:3476

約数の個数: 16

約数和(自身を含む): 33718464

約数和(自身を除く): 12696459

約数列:

[1, 3, 5, 15, 467, 1401, 2335, 3001, 7005, 9003, 15005, 45015, 1401467, 4204401, 7007335, 21022005]

約数ペア:

[(1, 21022005), (3, 7007335), (5, 4204401), (15, 1401467), (467, 45015), (1401, 15005), (2335, 9003), (3001, 7005)]