21049886

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6691}}^1$

素因数の和:6728

約数の個数: 24

約数和(自身を含む): 37381512

約数和(自身を除く): 16331626

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 6691, 13382, 73601, 86983, 147202, 173966, 809611, 956813, 1619222, 1913626, 10524943, 21049886]

約数ペア:

[(1, 21049886), (2, 10524943), (11, 1913626), (13, 1619222), (22, 956813), (26, 809611), (121, 173966), (143, 147202), (242, 86983), (286, 73601), (1573, 13382), (3146, 6691)]