21022988

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3931}}^1$

素因数の和:4133

約数の個数: 24

約数和(自身を含む): 42276864

約数和(自身を除く): 21253876

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 3931, 5348, 7862, 15724, 27517, 55034, 110068, 750821, 1501642, 3003284, 5255747, 10511494, 21022988]

約数ペア:

[(1, 21022988), (2, 10511494), (4, 5255747), (7, 3003284), (14, 1501642), (28, 750821), (191, 110068), (382, 55034), (764, 27517), (1337, 15724), (2674, 7862), (3931, 5348)]