21141750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{4027}}^1$

素因数の和:4054

約数の個数: 64

約数和(自身を含む): 60323328

約数和(自身を除く): 39181578

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 4027, 5250, 8054, 12081, 20135, 24162, 28189, 40270, 56378, 60405, 84567, 100675, 120810, 140945, 169134, 201350, 281890, 302025, 422835, 503375, 604050, 704725, 845670, 1006750, 1409450, 1510125, 2114175, 3020250, 3523625, 4228350, 7047250, 10570875, 21141750]

約数ペア:

[(1, 21141750), (2, 10570875), (3, 7047250), (5, 4228350), (6, 3523625), (7, 3020250), (10, 2114175), (14, 1510125), (15, 1409450), (21, 1006750), (25, 845670), (30, 704725), (35, 604050), (42, 503375), (50, 422835), (70, 302025), (75, 281890), (105, 201350), (125, 169134), (150, 140945), (175, 120810), (210, 100675), (250, 84567), (350, 60405), (375, 56378), (525, 40270), (750, 28189), (875, 24162), (1050, 20135), (1750, 12081), (2625, 8054), (4027, 5250)]