21139096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25516904

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 47, 76, 88, 94, 152, 188, 209, 269, 376, 418, 517, 538, 836, 893, 1034, 1076, 1672, 1786, 2068, 2152, 2959, 3572, 4136, 5111, 5918, 7144, 9823, 10222, 11836, 12643, 19646, 20444, 23672, 25286, 39292, 40888, 50572, 56221, 78584, 101144, 112442, 139073, 224884, 240217, 278146, 449768, 480434, 556292, 960868, 1112584, 1921736, 2642387, 5284774, 10569548, 21139096]

約数ペア:

[(1, 21139096), (2, 10569548), (4, 5284774), (8, 2642387), (11, 1921736), (19, 1112584), (22, 960868), (38, 556292), (44, 480434), (47, 449768), (76, 278146), (88, 240217), (94, 224884), (152, 139073), (188, 112442), (209, 101144), (269, 78584), (376, 56221), (418, 50572), (517, 40888), (538, 39292), (836, 25286), (893, 23672), (1034, 20444), (1076, 19646), (1672, 12643), (1786, 11836), (2068, 10222), (2152, 9823), (2959, 7144), (3572, 5918), (4136, 5111)]