21680098

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 15478814

約数列:

[1, 2, 11, 22, 31, 62, 83, 166, 341, 383, 682, 766, 913, 1826, 2573, 4213, 5146, 8426, 11873, 23746, 28303, 31789, 56606, 63578, 130603, 261206, 349679, 699358, 985459, 1970918, 10840049, 21680098]

約数ペア:

[(1, 21680098), (2, 10840049), (11, 1970918), (22, 985459), (31, 699358), (62, 349679), (83, 261206), (166, 130603), (341, 63578), (383, 56606), (682, 31789), (766, 28303), (913, 23746), (1826, 11873), (2573, 8426), (4213, 5146)]