21237813531

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{1039}}^1$

素因数の和:1317

約数の個数: 96

約数和(自身を含む): 35884892160

約数和(自身を除く): 14647078629

約数列:

[1, 3, 9, 11, 23, 33, 47, 69, 99, 141, 191, 207, 253, 423, 517, 573, 759, 1039, 1081, 1551, 1719, 2101, 2277, 3117, 3243, 4393, 4653, 6303, 8977, 9351, 9729, 11429, 11891, 13179, 18909, 23897, 26931, 34287, 35673, 39537, 48323, 48833, 71691, 80793, 98747, 102861, 107019, 144969, 146499, 198449, 206471, 215073, 262867, 296241, 434907, 439497, 537163, 595347, 619413, 788601, 888723, 1123159, 1611489, 1786041, 1858239, 2182939, 2271181, 2365803, 3369477, 4564327, 4834467, 6548817, 6813543, 9327103, 10108431, 12354749, 13692981, 19646451, 20440629, 27981309, 37064247, 41078943, 50207597, 83943927, 102598133, 111192741, 150622791, 214523369, 307794399, 451868373, 643570107, 923383197, 1930710321, 2359757059, 7079271177, 21237813531]

約数ペア:

[(1, 21237813531), (3, 7079271177), (9, 2359757059), (11, 1930710321), (23, 923383197), (33, 643570107), (47, 451868373), (69, 307794399), (99, 214523369), (141, 150622791), (191, 111192741), (207, 102598133), (253, 83943927), (423, 50207597), (517, 41078943), (573, 37064247), (759, 27981309), (1039, 20440629), (1081, 19646451), (1551, 13692981), (1719, 12354749), (2101, 10108431), (2277, 9327103), (3117, 6813543), (3243, 6548817), (4393, 4834467), (4653, 4564327), (6303, 3369477), (8977, 2365803), (9351, 2271181), (9729, 2182939), (11429, 1858239), (11891, 1786041), (13179, 1611489), (18909, 1123159), (23897, 888723), (26931, 788601), (34287, 619413), (35673, 595347), (39537, 537163), (48323, 439497), (48833, 434907), (71691, 296241), (80793, 262867), (98747, 215073), (102861, 206471), (107019, 198449), (144969, 146499)]