21920668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71171}}^1$

素因数の和:71193

約数の個数: 24

約数和(自身を含む): 47827584

約数和(自身を除く): 25906916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 71171, 142342, 284684, 498197, 782881, 996394, 1565762, 1992788, 3131524, 5480167, 10960334, 21920668]

約数ペア:

[(1, 21920668), (2, 10960334), (4, 5480167), (7, 3131524), (11, 1992788), (14, 1565762), (22, 996394), (28, 782881), (44, 498197), (77, 284684), (154, 142342), (308, 71171)]