21339224

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 40960080

約数和(自身を除く): 19620856

約数列:

[1, 2, 4, 8, 97, 107, 194, 214, 257, 388, 428, 514, 776, 856, 1028, 2056, 10379, 20758, 24929, 27499, 41516, 49858, 54998, 83032, 99716, 109996, 199432, 219992, 2667403, 5334806, 10669612, 21339224]

約数ペア:

[(1, 21339224), (2, 10669612), (4, 5334806), (8, 2667403), (97, 219992), (107, 199432), (194, 109996), (214, 99716), (257, 83032), (388, 54998), (428, 49858), (514, 41516), (776, 27499), (856, 24929), (1028, 20758), (2056, 10379)]