21683410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1009}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 44795520

約数和(自身を除く): 23112110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 1009, 1535, 2018, 2149, 3070, 4298, 5045, 7063, 10090, 10745, 14126, 21490, 35315, 70630, 309763, 619526, 1548815, 2168341, 3097630, 4336682, 10841705, 21683410]

約数ペア:

[(1, 21683410), (2, 10841705), (5, 4336682), (7, 3097630), (10, 2168341), (14, 1548815), (35, 619526), (70, 309763), (307, 70630), (614, 35315), (1009, 21490), (1535, 14126), (2018, 10745), (2149, 10090), (3070, 7063), (4298, 5045)]