21023268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{709}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 56300160

約数和(自身を除く): 35276892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 353, 706, 709, 1059, 1412, 1418, 2118, 2127, 2471, 2836, 4236, 4254, 4942, 4963, 7413, 8508, 9884, 9926, 14826, 14889, 19852, 29652, 29778, 59556, 250277, 500554, 750831, 1001108, 1501662, 1751939, 3003324, 3503878, 5255817, 7007756, 10511634, 21023268]

約数ペア:

[(1, 21023268), (2, 10511634), (3, 7007756), (4, 5255817), (6, 3503878), (7, 3003324), (12, 1751939), (14, 1501662), (21, 1001108), (28, 750831), (42, 500554), (84, 250277), (353, 59556), (706, 29778), (709, 29652), (1059, 19852), (1412, 14889), (1418, 14826), (2118, 9926), (2127, 9884), (2471, 8508), (2836, 7413), (4236, 4963), (4254, 4942)]