21765033

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 32415552

約数和(自身を除く): 10650519

約数列:

[1, 3, 9, 53, 103, 159, 309, 443, 477, 927, 1329, 3987, 5459, 16377, 23479, 45629, 49131, 70437, 136887, 211311, 410661, 2418337, 7255011, 21765033]

約数ペア:

[(1, 21765033), (3, 7255011), (9, 2418337), (53, 410661), (103, 211311), (159, 136887), (309, 70437), (443, 49131), (477, 45629), (927, 23479), (1329, 16377), (3987, 5459)]