2021565609

素因数分解:

$3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{28123}}^1$

素因数の和:28306

約数の個数: 36

約数和(自身を含む): 3417740976

約数和(自身を除く): 1396175367

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 163, 441, 489, 1141, 1467, 3423, 7987, 10269, 23961, 28123, 71883, 84369, 196861, 253107, 590583, 1378027, 1771749, 4134081, 4584049, 12402243, 13752147, 32088343, 41256441, 96265029, 224618401, 288795087, 673855203, 2021565609]

約数ペア:

[(1, 2021565609), (3, 673855203), (7, 288795087), (9, 224618401), (21, 96265029), (49, 41256441), (63, 32088343), (147, 13752147), (163, 12402243), (441, 4584049), (489, 4134081), (1141, 1771749), (1467, 1378027), (3423, 590583), (7987, 253107), (10269, 196861), (23961, 84369), (28123, 71883)]