21792056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 27438664

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 286, 344, 443, 473, 559, 572, 886, 946, 1118, 1144, 1772, 1892, 2236, 3544, 3784, 4472, 4873, 5759, 6149, 9746, 11518, 12298, 19049, 19492, 23036, 24596, 38098, 38984, 46072, 49192, 63349, 76196, 126698, 152392, 209539, 247637, 253396, 419078, 495274, 506792, 838156, 990548, 1676312, 1981096, 2724007, 5448014, 10896028, 21792056]

約数ペア:

[(1, 21792056), (2, 10896028), (4, 5448014), (8, 2724007), (11, 1981096), (13, 1676312), (22, 990548), (26, 838156), (43, 506792), (44, 495274), (52, 419078), (86, 253396), (88, 247637), (104, 209539), (143, 152392), (172, 126698), (286, 76196), (344, 63349), (443, 49192), (473, 46072), (559, 38984), (572, 38098), (886, 24596), (946, 23036), (1118, 19492), (1144, 19049), (1772, 12298), (1892, 11518), (2236, 9746), (3544, 6149), (3784, 5759), (4472, 4873)]