21037800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{5009}}^1$

素因数の和:5035

約数の個数: 96

約数和(自身を含む): 74548800

約数和(自身を除く): 53511000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 5009, 10018, 15027, 20036, 25045, 30054, 35063, 40072, 50090, 60108, 70126, 75135, 100180, 105189, 120216, 125225, 140252, 150270, 175315, 200360, 210378, 250450, 280504, 300540, 350630, 375675, 420756, 500900, 525945, 601080, 701260, 751350, 841512, 876575, 1001800, 1051890, 1402520, 1502700, 1753150, 2103780, 2629725, 3005400, 3506300, 4207560, 5259450, 7012600, 10518900, 21037800]

約数ペア:

[(1, 21037800), (2, 10518900), (3, 7012600), (4, 5259450), (5, 4207560), (6, 3506300), (7, 3005400), (8, 2629725), (10, 2103780), (12, 1753150), (14, 1502700), (15, 1402520), (20, 1051890), (21, 1001800), (24, 876575), (25, 841512), (28, 751350), (30, 701260), (35, 601080), (40, 525945), (42, 500900), (50, 420756), (56, 375675), (60, 350630), (70, 300540), (75, 280504), (84, 250450), (100, 210378), (105, 200360), (120, 175315), (140, 150270), (150, 140252), (168, 125225), (175, 120216), (200, 105189), (210, 100180), (280, 75135), (300, 70126), (350, 60108), (420, 50090), (525, 40072), (600, 35063), (700, 30054), (840, 25045), (1050, 20036), (1400, 15027), (2100, 10018), (4200, 5009)]