21992800

素因数分解:

$2^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:800

約数の個数: 72

約数和(自身を含む): 55215216

約数和(自身を除く): 33222416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 74, 80, 100, 148, 160, 185, 200, 296, 370, 400, 592, 740, 743, 800, 925, 1184, 1480, 1486, 1850, 2960, 2972, 3700, 3715, 5920, 5944, 7400, 7430, 11888, 14800, 14860, 18575, 23776, 27491, 29600, 29720, 37150, 54982, 59440, 74300, 109964, 118880, 137455, 148600, 219928, 274910, 297200, 439856, 549820, 594400, 687275, 879712, 1099640, 1374550, 2199280, 2749100, 4398560, 5498200, 10996400, 21992800]

約数ペア:

[(1, 21992800), (2, 10996400), (4, 5498200), (5, 4398560), (8, 2749100), (10, 2199280), (16, 1374550), (20, 1099640), (25, 879712), (32, 687275), (37, 594400), (40, 549820), (50, 439856), (74, 297200), (80, 274910), (100, 219928), (148, 148600), (160, 137455), (185, 118880), (200, 109964), (296, 74300), (370, 59440), (400, 54982), (592, 37150), (740, 29720), (743, 29600), (800, 27491), (925, 23776), (1184, 18575), (1480, 14860), (1486, 14800), (1850, 11888), (2960, 7430), (2972, 7400), (3700, 5944), (3715, 5920)]