21692628

素因数分解:

$2^2\times 3^2\times {\mathrm{743}}^1\times {\mathrm{811}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 54975648

約数和(自身を除く): 33283020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 743, 811, 1486, 1622, 2229, 2433, 2972, 3244, 4458, 4866, 6687, 7299, 8916, 9732, 13374, 14598, 26748, 29196, 602573, 1205146, 1807719, 2410292, 3615438, 5423157, 7230876, 10846314, 21692628]

約数ペア:

[(1, 21692628), (2, 10846314), (3, 7230876), (4, 5423157), (6, 3615438), (9, 2410292), (12, 1807719), (18, 1205146), (36, 602573), (743, 29196), (811, 26748), (1486, 14598), (1622, 13374), (2229, 9732), (2433, 8916), (2972, 7299), (3244, 6687), (4458, 4866)]