21220656

素因数分解:

$2^4\times 3^1\times {\mathrm{442097}}^1$

素因数の和:442108

約数の個数: 20

約数和(自身を含む): 54820152

約数和(自身を除く): 33599496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442097, 884194, 1326291, 1768388, 2652582, 3536776, 5305164, 7073552, 10610328, 21220656]

約数ペア:

[(1, 21220656), (2, 10610328), (3, 7073552), (4, 5305164), (6, 3536776), (8, 2652582), (12, 1768388), (16, 1326291), (24, 884194), (48, 442097)]