21969783

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{709}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 34778640

約数和(自身を除く): 12808857

約数列:

[1, 3, 9, 11, 33, 99, 313, 709, 939, 2127, 2817, 3443, 6381, 7799, 10329, 23397, 30987, 70191, 221917, 665751, 1997253, 2441087, 7323261, 21969783]

約数ペア:

[(1, 21969783), (3, 7323261), (9, 2441087), (11, 1997253), (33, 665751), (99, 221917), (313, 70191), (709, 30987), (939, 23397), (2127, 10329), (2817, 7799), (3443, 6381)]