21410746

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 39816000

約数和(自身を除く): 18405254

約数列:

[1, 2, 7, 14, 23, 46, 49, 59, 98, 118, 161, 322, 343, 413, 529, 686, 826, 1058, 1127, 1357, 2254, 2714, 2891, 3703, 5782, 7406, 7889, 9499, 15778, 18998, 20237, 25921, 31211, 40474, 51842, 62422, 66493, 132986, 181447, 218477, 362894, 436954, 465451, 930902, 1529339, 3058678, 10705373, 21410746]

約数ペア:

[(1, 21410746), (2, 10705373), (7, 3058678), (14, 1529339), (23, 930902), (46, 465451), (49, 436954), (59, 362894), (98, 218477), (118, 181447), (161, 132986), (322, 66493), (343, 62422), (413, 51842), (529, 40474), (686, 31211), (826, 25921), (1058, 20237), (1127, 18998), (1357, 15778), (2254, 9499), (2714, 7889), (2891, 7406), (3703, 5782)]