21862401

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 32303040

約数和(自身を除く): 10440639

約数列:

[1, 3, 11, 33, 121, 229, 263, 363, 687, 789, 2519, 2893, 7557, 8679, 27709, 31823, 60227, 83127, 95469, 180681, 662497, 1987491, 7287467, 21862401]

約数ペア:

[(1, 21862401), (3, 7287467), (11, 1987491), (33, 662497), (121, 180681), (229, 95469), (263, 83127), (363, 60227), (687, 31823), (789, 27709), (2519, 8679), (2893, 7557)]