21112096

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{197}}^2$

素因数の和:421

約数の個数: 36

約数和(自身を含む): 44233938

約数和(自身を除く): 23121842

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 197, 272, 394, 544, 788, 1576, 3152, 3349, 6304, 6698, 13396, 26792, 38809, 53584, 77618, 107168, 155236, 310472, 620944, 659753, 1241888, 1319506, 2639012, 5278024, 10556048, 21112096]

約数ペア:

[(1, 21112096), (2, 10556048), (4, 5278024), (8, 2639012), (16, 1319506), (17, 1241888), (32, 659753), (34, 620944), (68, 310472), (136, 155236), (197, 107168), (272, 77618), (394, 53584), (544, 38809), (788, 26792), (1576, 13396), (3152, 6698), (3349, 6304)]