21914445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12277}}^1$

素因数の和:12309

約数の個数: 32

約数和(自身を含む): 42432768

約数和(自身を除く): 20518323

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 12277, 36831, 61385, 85939, 184155, 208709, 257817, 429695, 626127, 1043545, 1289085, 1460963, 3130635, 4382889, 7304815, 21914445]

約数ペア:

[(1, 21914445), (3, 7304815), (5, 4382889), (7, 3130635), (15, 1460963), (17, 1289085), (21, 1043545), (35, 626127), (51, 429695), (85, 257817), (105, 208709), (119, 184155), (255, 85939), (357, 61385), (595, 36831), (1785, 12277)]