21006568

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21701}}^1$

素因数の和:21729

約数の個数: 24

約数和(自身を含む): 43295490

約数和(自身を除く): 22288922

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21701, 43402, 86804, 173608, 238711, 477422, 954844, 1909688, 2625821, 5251642, 10503284, 21006568]

約数ペア:

[(1, 21006568), (2, 10503284), (4, 5251642), (8, 2625821), (11, 1909688), (22, 954844), (44, 477422), (88, 238711), (121, 173608), (242, 86804), (484, 43402), (968, 21701)]