21836188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 43797600

約数和(自身を除く): 21961412

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 109, 116, 157, 218, 314, 319, 436, 628, 638, 1199, 1276, 1727, 2398, 3161, 3454, 4553, 4796, 6322, 6908, 9106, 12644, 17113, 18212, 34226, 34771, 50083, 68452, 69542, 100166, 139084, 188243, 200332, 376486, 496277, 752972, 992554, 1985108, 5459047, 10918094, 21836188]

約数ペア:

[(1, 21836188), (2, 10918094), (4, 5459047), (11, 1985108), (22, 992554), (29, 752972), (44, 496277), (58, 376486), (109, 200332), (116, 188243), (157, 139084), (218, 100166), (314, 69542), (319, 68452), (436, 50083), (628, 34771), (638, 34226), (1199, 18212), (1276, 17113), (1727, 12644), (2398, 9106), (3161, 6908), (3454, 6322), (4553, 4796)]