21233986

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{2161}}^1$

素因数の和:2214

約数の個数: 16

約数和(自身を含む): 33856920

約数和(自身を除く): 12622934

約数列:

[1, 2, 17, 34, 289, 578, 2161, 4322, 4913, 9826, 36737, 73474, 624529, 1249058, 10616993, 21233986]

約数ペア:

[(1, 21233986), (2, 10616993), (17, 1249058), (34, 624529), (289, 73474), (578, 36737), (2161, 9826), (4322, 4913)]