21126688

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1277}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 46376064

約数和(自身を除く): 25249376

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 352, 376, 517, 752, 1034, 1277, 1504, 2068, 2554, 4136, 5108, 8272, 10216, 14047, 16544, 20432, 28094, 40864, 56188, 60019, 112376, 120038, 224752, 240076, 449504, 480152, 660209, 960304, 1320418, 1920608, 2640836, 5281672, 10563344, 21126688]

約数ペア:

[(1, 21126688), (2, 10563344), (4, 5281672), (8, 2640836), (11, 1920608), (16, 1320418), (22, 960304), (32, 660209), (44, 480152), (47, 449504), (88, 240076), (94, 224752), (176, 120038), (188, 112376), (352, 60019), (376, 56188), (517, 40864), (752, 28094), (1034, 20432), (1277, 16544), (1504, 14047), (2068, 10216), (2554, 8272), (4136, 5108)]