21614642

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 16705486

約数列:

[1, 2, 7, 14, 47, 94, 107, 214, 307, 329, 614, 658, 749, 1498, 2149, 4298, 5029, 10058, 14429, 28858, 32849, 35203, 65698, 70406, 101003, 202006, 229943, 459886, 1543903, 3087806, 10807321, 21614642]

約数ペア:

[(1, 21614642), (2, 10807321), (7, 3087806), (14, 1543903), (47, 459886), (94, 229943), (107, 202006), (214, 101003), (307, 70406), (329, 65698), (614, 35203), (658, 32849), (749, 28858), (1498, 14429), (2149, 10058), (4298, 5029)]