21396135

素因数分解:

$3^1\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1277}}^1$

素因数の和:2402

約数の個数: 16

約数和(自身を含む): 34291296

約数和(自身を除く): 12895161

約数列:

[1, 3, 5, 15, 1117, 1277, 3351, 3831, 5585, 6385, 16755, 19155, 1426409, 4279227, 7132045, 21396135]

約数ペア:

[(1, 21396135), (3, 7132045), (5, 4279227), (15, 1426409), (1117, 19155), (1277, 16755), (3351, 6385), (3831, 5585)]