21508227

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2113}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 35515200

約数和(自身を除く): 14006973

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 2113, 3393, 6339, 10179, 19017, 27469, 57051, 61277, 82407, 183831, 247221, 551493, 741663, 796601, 1654479, 2389803, 7169409, 21508227]

約数ペア:

[(1, 21508227), (3, 7169409), (9, 2389803), (13, 1654479), (27, 796601), (29, 741663), (39, 551493), (87, 247221), (117, 183831), (261, 82407), (351, 61277), (377, 57051), (783, 27469), (1131, 19017), (2113, 10179), (3393, 6339)]