21229934

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2432

約数の個数: 24

約数和(自身を含む): 35964264

約数和(自身を除く): 14734330

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2371, 4477, 4742, 8954, 26081, 52162, 87727, 175454, 286891, 573782, 964997, 1929994, 10614967, 21229934]

約数ペア:

[(1, 21229934), (2, 10614967), (11, 1929994), (22, 964997), (37, 573782), (74, 286891), (121, 175454), (242, 87727), (407, 52162), (814, 26081), (2371, 8954), (4477, 4742)]