21155464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{773}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 43467840

約数和(自身を除く): 22312376

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 622, 773, 1244, 1546, 2488, 3092, 3421, 6184, 6842, 8503, 13684, 17006, 27368, 34012, 68024, 240403, 480806, 961612, 1923224, 2644433, 5288866, 10577732, 21155464]

約数ペア:

[(1, 21155464), (2, 10577732), (4, 5288866), (8, 2644433), (11, 1923224), (22, 961612), (44, 480806), (88, 240403), (311, 68024), (622, 34012), (773, 27368), (1244, 17006), (1546, 13684), (2488, 8503), (3092, 6842), (3421, 6184)]