21684024

素因数分解:

$2^3\times 3^4\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 61492200

約数和(自身を除く): 39808176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 109, 162, 216, 218, 307, 324, 327, 436, 614, 648, 654, 872, 921, 981, 1228, 1308, 1842, 1962, 2456, 2616, 2763, 2943, 3684, 3924, 5526, 5886, 7368, 7848, 8289, 8829, 11052, 11772, 16578, 17658, 22104, 23544, 24867, 33156, 33463, 35316, 49734, 66312, 66926, 70632, 99468, 100389, 133852, 198936, 200778, 267704, 301167, 401556, 602334, 803112, 903501, 1204668, 1807002, 2409336, 2710503, 3614004, 5421006, 7228008, 10842012, 21684024]

約数ペア:

[(1, 21684024), (2, 10842012), (3, 7228008), (4, 5421006), (6, 3614004), (8, 2710503), (9, 2409336), (12, 1807002), (18, 1204668), (24, 903501), (27, 803112), (36, 602334), (54, 401556), (72, 301167), (81, 267704), (108, 200778), (109, 198936), (162, 133852), (216, 100389), (218, 99468), (307, 70632), (324, 66926), (327, 66312), (436, 49734), (614, 35316), (648, 33463), (654, 33156), (872, 24867), (921, 23544), (981, 22104), (1228, 17658), (1308, 16578), (1842, 11772), (1962, 11052), (2456, 8829), (2616, 8289), (2763, 7848), (2943, 7368), (3684, 5886), (3924, 5526)]