21374960

素因数分解:

$2^4\times 5^1\times {\mathrm{267187}}^1$

素因数の和:267200

約数の個数: 20

約数和(自身を含む): 49696968

約数和(自身を除く): 28322008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 267187, 534374, 1068748, 1335935, 2137496, 2671870, 4274992, 5343740, 10687480, 21374960]

約数ペア:

[(1, 21374960), (2, 10687480), (4, 5343740), (5, 4274992), (8, 2671870), (10, 2137496), (16, 1335935), (20, 1068748), (40, 534374), (80, 267187)]