21012600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{5003}}^1$

素因数の和:5029

約数の個数: 96

約数和(自身を含む): 74459520

約数和(自身を除く): 53446920

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, 5003, 10006, 15009, 20012, 25015, 30018, 35021, 40024, 50030, 60036, 70042, 75045, 100060, 105063, 120072, 125075, 140084, 150090, 175105, 200120, 210126, 250150, 280168, 300180, 350210, 375225, 420252, 500300, 525315, 600360, 700420, 750450, 840504, 875525, 1000600, 1050630, 1400840, 1500900, 1751050, 2101260, 2626575, 3001800, 3502100, 4202520, 5253150, 7004200, 10506300, 21012600]

約数ペア:

[(1, 21012600), (2, 10506300), (3, 7004200), (4, 5253150), (5, 4202520), (6, 3502100), (7, 3001800), (8, 2626575), (10, 2101260), (12, 1751050), (14, 1500900), (15, 1400840), (20, 1050630), (21, 1000600), (24, 875525), (25, 840504), (28, 750450), (30, 700420), (35, 600360), (40, 525315), (42, 500300), (50, 420252), (56, 375225), (60, 350210), (70, 300180), (75, 280168), (84, 250150), (100, 210126), (105, 200120), (120, 175105), (140, 150090), (150, 140084), (168, 125075), (175, 120072), (200, 105063), (210, 100060), (280, 75045), (300, 70042), (350, 60036), (420, 50030), (525, 40024), (600, 35021), (700, 30018), (840, 25015), (1050, 20012), (1400, 15009), (2100, 10006), (4200, 5003)]