21279135

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19433}}^1$

素因数の和:19514

約数の個数: 16

約数和(自身を含む): 34514784

約数和(自身を除く): 13235649

約数列:

[1, 3, 5, 15, 73, 219, 365, 1095, 19433, 58299, 97165, 291495, 1418609, 4255827, 7093045, 21279135]

約数ペア:

[(1, 21279135), (3, 7093045), (5, 4255827), (15, 1418609), (73, 291495), (219, 97165), (365, 58299), (1095, 19433)]