21373160

素因数分解:

$2^3\times 5^1\times {\mathrm{534329}}^1$

素因数の和:534340

約数の個数: 16

約数和(自身を含む): 48089700

約数和(自身を除く): 26716540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 534329, 1068658, 2137316, 2671645, 4274632, 5343290, 10686580, 21373160]

約数ペア:

[(1, 21373160), (2, 10686580), (4, 5343290), (5, 4274632), (8, 2671645), (10, 2137316), (20, 1068658), (40, 534329)]