21752523

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2137}}^1$

素因数の和:2188

約数の個数: 32

約数和(自身を含む): 35918400

約数和(自身を除く): 14165877

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 2137, 3393, 6411, 10179, 19233, 27781, 57699, 61973, 83343, 185919, 250029, 557757, 750087, 805649, 1673271, 2416947, 7250841, 21752523]

約数ペア:

[(1, 21752523), (3, 7250841), (9, 2416947), (13, 1673271), (27, 805649), (29, 750087), (39, 557757), (87, 250029), (117, 185919), (261, 83343), (351, 61973), (377, 57699), (783, 27781), (1131, 19233), (2137, 10179), (3393, 6411)]