21557029690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{1823}}^1$

素因数の和:2396

約数の個数: 128

約数和(自身を含む): 49547427840

約数和(自身を除く): 27990398150

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 523, 595, 646, 665, 1046, 1190, 1330, 1615, 1823, 2261, 2615, 3230, 3646, 3661, 4522, 5230, 7322, 8891, 9115, 9937, 11305, 12761, 17782, 18230, 18305, 19874, 22610, 25522, 30991, 34637, 36610, 44455, 49685, 61982, 62237, 63805, 69274, 69559, 88910, 99370, 124474, 127610, 139118, 154955, 168929, 173185, 216937, 242459, 309910, 311185, 337858, 346370, 347795, 433874, 484918, 588829, 622370, 695590, 844645, 953429, 1084685, 1177658, 1182503, 1212295, 1689290, 1906858, 2169370, 2365006, 2424590, 2944145, 4121803, 4767145, 5888290, 5912515, 6674003, 8243606, 9534290, 11825030, 13348006, 16208293, 18115151, 20609015, 32416586, 33370015, 36230302, 41218030, 66740030, 81041465, 90575755, 113458051, 126806057, 162082930, 181151510, 226916102, 253612114, 307957567, 567290255, 615915134, 634030285, 1134580510, 1268060570, 1539787835, 2155702969, 3079575670, 4311405938, 10778514845, 21557029690]

約数ペア:

[(1, 21557029690), (2, 10778514845), (5, 4311405938), (7, 3079575670), (10, 2155702969), (14, 1539787835), (17, 1268060570), (19, 1134580510), (34, 634030285), (35, 615915134), (38, 567290255), (70, 307957567), (85, 253612114), (95, 226916102), (119, 181151510), (133, 162082930), (170, 126806057), (190, 113458051), (238, 90575755), (266, 81041465), (323, 66740030), (523, 41218030), (595, 36230302), (646, 33370015), (665, 32416586), (1046, 20609015), (1190, 18115151), (1330, 16208293), (1615, 13348006), (1823, 11825030), (2261, 9534290), (2615, 8243606), (3230, 6674003), (3646, 5912515), (3661, 5888290), (4522, 4767145), (5230, 4121803), (7322, 2944145), (8891, 2424590), (9115, 2365006), (9937, 2169370), (11305, 1906858), (12761, 1689290), (17782, 1212295), (18230, 1182503), (18305, 1177658), (19874, 1084685), (22610, 953429), (25522, 844645), (30991, 695590), (34637, 622370), (36610, 588829), (44455, 484918), (49685, 433874), (61982, 347795), (62237, 346370), (63805, 337858), (69274, 311185), (69559, 309910), (88910, 242459), (99370, 216937), (124474, 173185), (127610, 168929), (139118, 154955)]