21668156926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1\times {\mathrm{11177}}^1$

素因数の和:11796

約数の個数: 32

約数和(自身を含む): 35289571968

約数和(自身を除く): 13621415042

約数列:

[1, 2, 13, 26, 173, 346, 431, 862, 2249, 4498, 5603, 11177, 11206, 22354, 74563, 145301, 149126, 290602, 969319, 1933621, 1938638, 3867242, 4817287, 9634574, 25137073, 50274146, 62624731, 125249462, 833390651, 1666781302, 10834078463, 21668156926]

約数ペア:

[(1, 21668156926), (2, 10834078463), (13, 1666781302), (26, 833390651), (173, 125249462), (346, 62624731), (431, 50274146), (862, 25137073), (2249, 9634574), (4498, 4817287), (5603, 3867242), (11177, 1938638), (11206, 1933621), (22354, 969319), (74563, 290602), (145301, 149126)]