21138473784

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16618297}}^1$

素因数の和:16618359

約数の個数: 32

約数和(自身を含む): 53843285520

約数和(自身を除く): 32704811736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16618297, 33236594, 49854891, 66473188, 99709782, 132946376, 199419564, 398839128, 880769741, 1761539482, 2642309223, 3523078964, 5284618446, 7046157928, 10569236892, 21138473784]

約数ペア:

[(1, 21138473784), (2, 10569236892), (3, 7046157928), (4, 5284618446), (6, 3523078964), (8, 2642309223), (12, 1761539482), (24, 880769741), (53, 398839128), (106, 199419564), (159, 132946376), (212, 99709782), (318, 66473188), (424, 49854891), (636, 33236594), (1272, 16618297)]