21032379

素因数分解:

$3^7\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 32275200

約数和(自身を除く): 11242821

約数列:

[1, 3, 9, 27, 59, 81, 163, 177, 243, 489, 531, 729, 1467, 1593, 2187, 4401, 4779, 9617, 13203, 14337, 28851, 39609, 43011, 86553, 118827, 129033, 259659, 356481, 778977, 2336931, 7010793, 21032379]

約数ペア:

[(1, 21032379), (3, 7010793), (9, 2336931), (27, 778977), (59, 356481), (81, 259659), (163, 129033), (177, 118827), (243, 86553), (489, 43011), (531, 39609), (729, 28851), (1467, 14337), (1593, 13203), (2187, 9617), (4401, 4779)]