21374000

素因数分解:

$2^4\times 5^3\times {\mathrm{10687}}^1$

素因数の和:10710

約数の個数: 40

約数和(自身を含む): 51687168

約数和(自身を除く): 30313168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10687, 21374, 42748, 53435, 85496, 106870, 170992, 213740, 267175, 427480, 534350, 854960, 1068700, 1335875, 2137400, 2671750, 4274800, 5343500, 10687000, 21374000]

約数ペア:

[(1, 21374000), (2, 10687000), (4, 5343500), (5, 4274800), (8, 2671750), (10, 2137400), (16, 1335875), (20, 1068700), (25, 854960), (40, 534350), (50, 427480), (80, 267175), (100, 213740), (125, 170992), (200, 106870), (250, 85496), (400, 53435), (500, 42748), (1000, 21374), (2000, 10687)]