21492009

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31013}}^1$

素因数の和:31037

約数の個数: 24

約数和(自身を含む): 38705472

約数和(自身を除く): 17213463

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 31013, 93039, 217091, 279117, 341143, 651273, 1023429, 1953819, 2388001, 3070287, 7164003, 21492009]

約数ペア:

[(1, 21492009), (3, 7164003), (7, 3070287), (9, 2388001), (11, 1953819), (21, 1023429), (33, 651273), (63, 341143), (77, 279117), (99, 217091), (231, 93039), (693, 31013)]