21967407

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31699}}^1$

素因数の和:31723

約数の個数: 24

約数和(自身を含む): 39561600

約数和(自身を除く): 17594193

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 31699, 95097, 221893, 285291, 348689, 665679, 1046067, 1997037, 2440823, 3138201, 7322469, 21967407]

約数ペア:

[(1, 21967407), (3, 7322469), (7, 3138201), (9, 2440823), (11, 1997037), (21, 1046067), (33, 665679), (63, 348689), (77, 285291), (99, 221893), (231, 95097), (693, 31699)]