21599217

素因数分解:

$3^4\times {\mathrm{467}}^1\times {\mathrm{571}}^1$

素因数の和:1050

約数の個数: 20

約数和(自身を含む): 32391216

約数和(自身を除く): 10791999

約数列:

[1, 3, 9, 27, 81, 467, 571, 1401, 1713, 4203, 5139, 12609, 15417, 37827, 46251, 266657, 799971, 2399913, 7199739, 21599217]

約数ペア:

[(1, 21599217), (3, 7199739), (9, 2399913), (27, 799971), (81, 266657), (467, 46251), (571, 37827), (1401, 15417), (1713, 12609), (4203, 5139)]