21885052

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 26498948

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1999, 2737, 3998, 5474, 7996, 10948, 13993, 27986, 33983, 45977, 55972, 67966, 91954, 135932, 183908, 237881, 321839, 475762, 643678, 781609, 951524, 1287356, 1563218, 3126436, 5471263, 10942526, 21885052]

約数ペア:

[(1, 21885052), (2, 10942526), (4, 5471263), (7, 3126436), (14, 1563218), (17, 1287356), (23, 951524), (28, 781609), (34, 643678), (46, 475762), (68, 321839), (92, 237881), (119, 183908), (161, 135932), (238, 91954), (322, 67966), (391, 55972), (476, 45977), (644, 33983), (782, 27986), (1564, 13993), (1999, 10948), (2737, 7996), (3998, 5474)]