21046000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:659

約数の個数: 80

約数和(自身を含む): 53969760

約数和(自身を除く): 32923760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 619, 680, 850, 1000, 1238, 1360, 1700, 2000, 2125, 2476, 3095, 3400, 4250, 4952, 6190, 6800, 8500, 9904, 10523, 12380, 15475, 17000, 21046, 24760, 30950, 34000, 42092, 49520, 52615, 61900, 77375, 84184, 105230, 123800, 154750, 168368, 210460, 247600, 263075, 309500, 420920, 526150, 619000, 841840, 1052300, 1238000, 1315375, 2104600, 2630750, 4209200, 5261500, 10523000, 21046000]

約数ペア:

[(1, 21046000), (2, 10523000), (4, 5261500), (5, 4209200), (8, 2630750), (10, 2104600), (16, 1315375), (17, 1238000), (20, 1052300), (25, 841840), (34, 619000), (40, 526150), (50, 420920), (68, 309500), (80, 263075), (85, 247600), (100, 210460), (125, 168368), (136, 154750), (170, 123800), (200, 105230), (250, 84184), (272, 77375), (340, 61900), (400, 52615), (425, 49520), (500, 42092), (619, 34000), (680, 30950), (850, 24760), (1000, 21046), (1238, 17000), (1360, 15475), (1700, 12380), (2000, 10523), (2125, 9904), (2476, 8500), (3095, 6800), (3400, 6190), (4250, 4952)]