21067497

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{883}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 33372768

約数和(自身を除く): 12305271

約数列:

[1, 3, 9, 11, 33, 99, 241, 723, 883, 2169, 2649, 2651, 7947, 7953, 9713, 23859, 29139, 87417, 212803, 638409, 1915227, 2340833, 7022499, 21067497]

約数ペア:

[(1, 21067497), (3, 7022499), (9, 2340833), (11, 1915227), (33, 638409), (99, 212803), (241, 87417), (723, 29139), (883, 23859), (2169, 9713), (2649, 7953), (2651, 7947)]