21548744

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3967}}^1$

素因数の和:4077

約数の個数: 32

約数和(自身を含む): 46663680

約数和(自身を除く): 25114936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 3967, 5432, 7934, 15868, 27769, 31736, 55538, 111076, 222152, 384799, 769598, 1539196, 2693593, 3078392, 5387186, 10774372, 21548744]

約数ペア:

[(1, 21548744), (2, 10774372), (4, 5387186), (7, 3078392), (8, 2693593), (14, 1539196), (28, 769598), (56, 384799), (97, 222152), (194, 111076), (388, 55538), (679, 31736), (776, 27769), (1358, 15868), (2716, 7934), (3967, 5432)]