21453674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15318166

約数列:

[1, 2, 11, 22, 31, 62, 83, 166, 341, 379, 682, 758, 913, 1826, 2573, 4169, 5146, 8338, 11749, 23498, 28303, 31457, 56606, 62914, 129239, 258478, 346027, 692054, 975167, 1950334, 10726837, 21453674]

約数ペア:

[(1, 21453674), (2, 10726837), (11, 1950334), (22, 975167), (31, 692054), (62, 346027), (83, 258478), (166, 129239), (341, 62914), (379, 56606), (682, 31457), (758, 28303), (913, 23498), (1826, 11749), (2573, 8338), (4169, 5146)]