21166395

素因数分解:

$3^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1609}}^1$

素因数の和:2494

約数の個数: 16

約数和(自身を含む): 33925920

約数和(自身を除く): 12759525

約数列:

[1, 3, 5, 15, 877, 1609, 2631, 4385, 4827, 8045, 13155, 24135, 1411093, 4233279, 7055465, 21166395]

約数ペア:

[(1, 21166395), (3, 7055465), (5, 4233279), (15, 1411093), (877, 24135), (1609, 13155), (2631, 8045), (4385, 4827)]