21654400

素因数分解:

$2^7\times 5^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 54829080

約数和(自身を除く): 33174680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 101, 128, 134, 160, 200, 202, 268, 320, 335, 400, 404, 505, 536, 640, 670, 800, 808, 1010, 1072, 1340, 1600, 1616, 1675, 2020, 2144, 2525, 2680, 3200, 3232, 3350, 4040, 4288, 5050, 5360, 6464, 6700, 6767, 8080, 8576, 10100, 10720, 12928, 13400, 13534, 16160, 20200, 21440, 26800, 27068, 32320, 33835, 40400, 42880, 53600, 54136, 64640, 67670, 80800, 107200, 108272, 135340, 161600, 169175, 214400, 216544, 270680, 323200, 338350, 433088, 541360, 676700, 866176, 1082720, 1353400, 2165440, 2706800, 4330880, 5413600, 10827200, 21654400]

約数ペア:

[(1, 21654400), (2, 10827200), (4, 5413600), (5, 4330880), (8, 2706800), (10, 2165440), (16, 1353400), (20, 1082720), (25, 866176), (32, 676700), (40, 541360), (50, 433088), (64, 338350), (67, 323200), (80, 270680), (100, 216544), (101, 214400), (128, 169175), (134, 161600), (160, 135340), (200, 108272), (202, 107200), (268, 80800), (320, 67670), (335, 64640), (400, 54136), (404, 53600), (505, 42880), (536, 40400), (640, 33835), (670, 32320), (800, 27068), (808, 26800), (1010, 21440), (1072, 20200), (1340, 16160), (1600, 13534), (1616, 13400), (1675, 12928), (2020, 10720), (2144, 10100), (2525, 8576), (2680, 8080), (3200, 6767), (3232, 6700), (3350, 6464), (4040, 5360), (4288, 5050)]