21993546

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{839}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 24817974

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 257, 514, 771, 839, 1542, 1678, 2517, 4369, 5034, 8738, 13107, 14263, 26214, 28526, 42789, 85578, 215623, 431246, 646869, 1293738, 3665591, 7331182, 10996773, 21993546]

約数ペア:

[(1, 21993546), (2, 10996773), (3, 7331182), (6, 3665591), (17, 1293738), (34, 646869), (51, 431246), (102, 215623), (257, 85578), (514, 42789), (771, 28526), (839, 26214), (1542, 14263), (1678, 13107), (2517, 8738), (4369, 5034)]