21993480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 72072000

約数和(自身を除く): 50078520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 307, 360, 398, 597, 614, 796, 921, 995, 1194, 1228, 1535, 1592, 1791, 1842, 1990, 2388, 2456, 2763, 2985, 3070, 3582, 3684, 3980, 4605, 4776, 5526, 5970, 6140, 7164, 7368, 7960, 8955, 9210, 11052, 11940, 12280, 13815, 14328, 17910, 18420, 22104, 23880, 27630, 35820, 36840, 55260, 61093, 71640, 110520, 122186, 183279, 244372, 305465, 366558, 488744, 549837, 610930, 733116, 916395, 1099674, 1221860, 1466232, 1832790, 2199348, 2443720, 2749185, 3665580, 4398696, 5498370, 7331160, 10996740, 21993480]

約数ペア:

[(1, 21993480), (2, 10996740), (3, 7331160), (4, 5498370), (5, 4398696), (6, 3665580), (8, 2749185), (9, 2443720), (10, 2199348), (12, 1832790), (15, 1466232), (18, 1221860), (20, 1099674), (24, 916395), (30, 733116), (36, 610930), (40, 549837), (45, 488744), (60, 366558), (72, 305465), (90, 244372), (120, 183279), (180, 122186), (199, 110520), (307, 71640), (360, 61093), (398, 55260), (597, 36840), (614, 35820), (796, 27630), (921, 23880), (995, 22104), (1194, 18420), (1228, 17910), (1535, 14328), (1592, 13815), (1791, 12280), (1842, 11940), (1990, 11052), (2388, 9210), (2456, 8955), (2763, 7960), (2985, 7368), (3070, 7164), (3582, 6140), (3684, 5970), (3980, 5526), (4605, 4776)]