21837285

素因数分解:

$3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1301}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 37981944

約数和(自身を除く): 16144659

約数列:

[1, 3, 5, 9, 15, 45, 373, 1119, 1301, 1865, 3357, 3903, 5595, 6505, 11709, 16785, 19515, 58545, 485273, 1455819, 2426365, 4367457, 7279095, 21837285]

約数ペア:

[(1, 21837285), (3, 7279095), (5, 4367457), (9, 2426365), (15, 1455819), (45, 485273), (373, 58545), (1119, 19515), (1301, 16785), (1865, 11709), (3357, 6505), (3903, 5595)]