21965706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{174331}}^1$

素因数の和:174346

約数の個数: 24

約数和(自身を含む): 54391584

約数和(自身を除く): 32425878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 174331, 348662, 522993, 1045986, 1220317, 1568979, 2440634, 3137958, 3660951, 7321902, 10982853, 21965706]

約数ペア:

[(1, 21965706), (2, 10982853), (3, 7321902), (6, 3660951), (7, 3137958), (9, 2440634), (14, 1568979), (18, 1220317), (21, 1045986), (42, 522993), (63, 348662), (126, 174331)]