21891000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{7297}}^1$

素因数の和:7321

約数の個数: 64

約数和(自身を含む): 68309280

約数和(自身を除く): 46418280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 7297, 14594, 21891, 29188, 36485, 43782, 58376, 72970, 87564, 109455, 145940, 175128, 182425, 218910, 291880, 364850, 437820, 547275, 729700, 875640, 912125, 1094550, 1459400, 1824250, 2189100, 2736375, 3648500, 4378200, 5472750, 7297000, 10945500, 21891000]

約数ペア:

[(1, 21891000), (2, 10945500), (3, 7297000), (4, 5472750), (5, 4378200), (6, 3648500), (8, 2736375), (10, 2189100), (12, 1824250), (15, 1459400), (20, 1094550), (24, 912125), (25, 875640), (30, 729700), (40, 547275), (50, 437820), (60, 364850), (75, 291880), (100, 218910), (120, 182425), (125, 175128), (150, 145940), (200, 109455), (250, 87564), (300, 72970), (375, 58376), (500, 43782), (600, 36485), (750, 29188), (1000, 21891), (1500, 14594), (3000, 7297)]