21806526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{3109}}^1$

素因数の和:3288

約数の個数: 32

約数和(自身を含む): 50158080

約数和(自身を除く): 28351554

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 167, 334, 501, 1002, 1169, 2338, 3109, 3507, 6218, 7014, 9327, 18654, 21763, 43526, 65289, 130578, 519203, 1038406, 1557609, 3115218, 3634421, 7268842, 10903263, 21806526]

約数ペア:

[(1, 21806526), (2, 10903263), (3, 7268842), (6, 3634421), (7, 3115218), (14, 1557609), (21, 1038406), (42, 519203), (167, 130578), (334, 65289), (501, 43526), (1002, 21763), (1169, 18654), (2338, 9327), (3109, 7014), (3507, 6218)]