21742395

素因数分解:

$3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{6221}}^1$

素因数の和:6462

約数の個数: 16

約数和(自身を含む): 34942752

約数和(自身を除く): 13200357

約数列:

[1, 3, 5, 15, 233, 699, 1165, 3495, 6221, 18663, 31105, 93315, 1449493, 4348479, 7247465, 21742395]

約数ペア:

[(1, 21742395), (3, 7247465), (5, 4348479), (15, 1449493), (233, 93315), (699, 31105), (1165, 18663), (3495, 6221)]