21660800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{967}}^1$

素因数の和:998

約数の個数: 96

約数和(自身を含む): 61216320

約数和(自身を除く): 39555520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 967, 1120, 1400, 1600, 1934, 2240, 2800, 3200, 3868, 4480, 4835, 5600, 6769, 7736, 9670, 11200, 13538, 15472, 19340, 22400, 24175, 27076, 30944, 33845, 38680, 48350, 54152, 61888, 67690, 77360, 96700, 108304, 123776, 135380, 154720, 169225, 193400, 216608, 270760, 309440, 338450, 386800, 433216, 541520, 618880, 676900, 773600, 866432, 1083040, 1353800, 1547200, 2166080, 2707600, 3094400, 4332160, 5415200, 10830400, 21660800]

約数ペア:

[(1, 21660800), (2, 10830400), (4, 5415200), (5, 4332160), (7, 3094400), (8, 2707600), (10, 2166080), (14, 1547200), (16, 1353800), (20, 1083040), (25, 866432), (28, 773600), (32, 676900), (35, 618880), (40, 541520), (50, 433216), (56, 386800), (64, 338450), (70, 309440), (80, 270760), (100, 216608), (112, 193400), (128, 169225), (140, 154720), (160, 135380), (175, 123776), (200, 108304), (224, 96700), (280, 77360), (320, 67690), (350, 61888), (400, 54152), (448, 48350), (560, 38680), (640, 33845), (700, 30944), (800, 27076), (896, 24175), (967, 22400), (1120, 19340), (1400, 15472), (1600, 13538), (1934, 11200), (2240, 9670), (2800, 7736), (3200, 6769), (3868, 5600), (4480, 4835)]