21241935

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3301}}^1$

素因数の和:3336

約数の個数: 48

約数和(自身を含む): 43269408

約数和(自身を除く): 22027473

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 3301, 6435, 9903, 16505, 29709, 36311, 42913, 49515, 108933, 128739, 148545, 181555, 214565, 326799, 386217, 472043, 544665, 643695, 1416129, 1633995, 1931085, 2360215, 4248387, 7080645, 21241935]

約数ペア:

[(1, 21241935), (3, 7080645), (5, 4248387), (9, 2360215), (11, 1931085), (13, 1633995), (15, 1416129), (33, 643695), (39, 544665), (45, 472043), (55, 386217), (65, 326799), (99, 214565), (117, 181555), (143, 148545), (165, 128739), (195, 108933), (429, 49515), (495, 42913), (585, 36311), (715, 29709), (1287, 16505), (2145, 9903), (3301, 6435)]