2021154790

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1\times {\mathrm{1637}}^1$

素因数の和:2352

約数の個数: 32

約数和(自身を含む): 3661205184

約数和(自身を除く): 1640050394

約数列:

[1, 2, 5, 10, 311, 397, 622, 794, 1555, 1637, 1985, 3110, 3274, 3970, 8185, 16370, 123467, 246934, 509107, 617335, 649889, 1018214, 1234670, 1299778, 2545535, 3249445, 5091070, 6498890, 202115479, 404230958, 1010577395, 2021154790]

約数ペア:

[(1, 2021154790), (2, 1010577395), (5, 404230958), (10, 202115479), (311, 6498890), (397, 5091070), (622, 3249445), (794, 2545535), (1555, 1299778), (1637, 1234670), (1985, 1018214), (3110, 649889), (3274, 617335), (3970, 509107), (8185, 246934), (16370, 123467)]