21931245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{69623}}^1$

素因数の和:69641

約数の個数: 24

約数和(自身を含む): 43445376

約数和(自身を除く): 21514131

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 69623, 208869, 348115, 487361, 626607, 1044345, 1462083, 2436805, 3133035, 4386249, 7310415, 21931245]

約数ペア:

[(1, 21931245), (3, 7310415), (5, 4386249), (7, 3133035), (9, 2436805), (15, 1462083), (21, 1044345), (35, 626607), (45, 487361), (63, 348115), (105, 208869), (315, 69623)]