21094584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 60614400

約数和(自身を除く): 39519816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 307, 409, 614, 818, 921, 1227, 1228, 1636, 1842, 2149, 2454, 2456, 2863, 3272, 3684, 4298, 4908, 5726, 6447, 7368, 8589, 8596, 9816, 11452, 12894, 17178, 17192, 22904, 25788, 34356, 51576, 68712, 125563, 251126, 376689, 502252, 753378, 878941, 1004504, 1506756, 1757882, 2636823, 3013512, 3515764, 5273646, 7031528, 10547292, 21094584]

約数ペア:

[(1, 21094584), (2, 10547292), (3, 7031528), (4, 5273646), (6, 3515764), (7, 3013512), (8, 2636823), (12, 1757882), (14, 1506756), (21, 1004504), (24, 878941), (28, 753378), (42, 502252), (56, 376689), (84, 251126), (168, 125563), (307, 68712), (409, 51576), (614, 34356), (818, 25788), (921, 22904), (1227, 17192), (1228, 17178), (1636, 12894), (1842, 11452), (2149, 9816), (2454, 8596), (2456, 8589), (2863, 7368), (3272, 6447), (3684, 5726), (4298, 4908)]