21965658

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25601}}^1$

素因数の和:25630

約数の個数: 32

約数和(自身を含む): 51613632

約数和(自身を除く): 29647974

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 25601, 51202, 76803, 153606, 281611, 332813, 563222, 665626, 844833, 998439, 1689666, 1996878, 3660943, 7321886, 10982829, 21965658]

約数ペア:

[(1, 21965658), (2, 10982829), (3, 7321886), (6, 3660943), (11, 1996878), (13, 1689666), (22, 998439), (26, 844833), (33, 665626), (39, 563222), (66, 332813), (78, 281611), (143, 153606), (286, 76803), (429, 51202), (858, 25601)]