21021363

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23593}}^1$

素因数の和:23616

約数の個数: 20

約数和(自身を含む): 34258488

約数和(自身を除く): 13237125

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23593, 70779, 212337, 259523, 637011, 778569, 1911033, 2335707, 7007121, 21021363]

約数ペア:

[(1, 21021363), (3, 7007121), (9, 2335707), (11, 1911033), (27, 778569), (33, 637011), (81, 259523), (99, 212337), (297, 70779), (891, 23593)]