21918424

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22643}}^1$

素因数の和:22671

約数の個数: 24

約数和(自身を含む): 45174780

約数和(自身を除く): 23256356

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22643, 45286, 90572, 181144, 249073, 498146, 996292, 1992584, 2739803, 5479606, 10959212, 21918424]

約数ペア:

[(1, 21918424), (2, 10959212), (4, 5479606), (8, 2739803), (11, 1992584), (22, 996292), (44, 498146), (88, 249073), (121, 181144), (242, 90572), (484, 45286), (968, 22643)]