21050228367

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9030557}}^1$

素因数の和:9030607

約数の個数: 24

約数和(自身を含む): 35688765216

約数和(自身を除く): 14638536849

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 9030557, 27091671, 63213899, 81275013, 189641697, 334130609, 568925091, 1002391827, 2338914263, 3007175481, 7016742789, 21050228367]

約数ペア:

[(1, 21050228367), (3, 7016742789), (7, 3007175481), (9, 2338914263), (21, 1002391827), (37, 568925091), (63, 334130609), (111, 189641697), (259, 81275013), (333, 63213899), (777, 27091671), (2331, 9030557)]