21542970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2309}}^1$

素因数の和:2630

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 30348870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 311, 622, 933, 1555, 1866, 2309, 3110, 4618, 4665, 6927, 9330, 11545, 13854, 23090, 34635, 69270, 718099, 1436198, 2154297, 3590495, 4308594, 7180990, 10771485, 21542970]

約数ペア:

[(1, 21542970), (2, 10771485), (3, 7180990), (5, 4308594), (6, 3590495), (10, 2154297), (15, 1436198), (30, 718099), (311, 69270), (622, 34635), (933, 23090), (1555, 13854), (1866, 11545), (2309, 9330), (3110, 6927), (4618, 4665)]