21286473075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{13033}}^1$

素因数の和:13134

約数の個数: 144

約数和(自身を含む): 46896123456

約数和(自身を除く): 25609650381

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 61, 63, 75, 85, 105, 119, 153, 175, 183, 225, 255, 305, 315, 357, 425, 427, 525, 549, 595, 765, 915, 1037, 1071, 1275, 1281, 1525, 1575, 1785, 2135, 2745, 2975, 3111, 3825, 3843, 4575, 5185, 5355, 6405, 7259, 8925, 9333, 10675, 13033, 13725, 15555, 19215, 21777, 25925, 26775, 32025, 36295, 39099, 46665, 65165, 65331, 77775, 91231, 96075, 108885, 117297, 181475, 195495, 221561, 233325, 273693, 325825, 326655, 456155, 544425, 586485, 664683, 795013, 821079, 977475, 1107805, 1368465, 1550927, 1633275, 1994049, 2280775, 2385039, 2932425, 3323415, 3975065, 4105395, 4652781, 5539025, 5565091, 6842325, 7155117, 7754635, 9970245, 11925195, 13515221, 13958343, 16617075, 16695273, 19875325, 20526975, 23263905, 27825455, 35775585, 38773175, 40545663, 49851225, 50085819, 59625975, 67576105, 69791715, 83476365, 94606547, 116319525, 121636989, 139127275, 178877925, 202728315, 250429095, 283819641, 337880525, 348958575, 417381825, 473032735, 608184945, 851458923, 1013641575, 1252145475, 1419098205, 2365163675, 3040924725, 4257294615, 7095491025, 21286473075]

約数ペア:

[(1, 21286473075), (3, 7095491025), (5, 4257294615), (7, 3040924725), (9, 2365163675), (15, 1419098205), (17, 1252145475), (21, 1013641575), (25, 851458923), (35, 608184945), (45, 473032735), (51, 417381825), (61, 348958575), (63, 337880525), (75, 283819641), (85, 250429095), (105, 202728315), (119, 178877925), (153, 139127275), (175, 121636989), (183, 116319525), (225, 94606547), (255, 83476365), (305, 69791715), (315, 67576105), (357, 59625975), (425, 50085819), (427, 49851225), (525, 40545663), (549, 38773175), (595, 35775585), (765, 27825455), (915, 23263905), (1037, 20526975), (1071, 19875325), (1275, 16695273), (1281, 16617075), (1525, 13958343), (1575, 13515221), (1785, 11925195), (2135, 9970245), (2745, 7754635), (2975, 7155117), (3111, 6842325), (3825, 5565091), (3843, 5539025), (4575, 4652781), (5185, 4105395), (5355, 3975065), (6405, 3323415), (7259, 2932425), (8925, 2385039), (9333, 2280775), (10675, 1994049), (13033, 1633275), (13725, 1550927), (15555, 1368465), (19215, 1107805), (21777, 977475), (25925, 821079), (26775, 795013), (32025, 664683), (36295, 586485), (39099, 544425), (46665, 456155), (65165, 326655), (65331, 325825), (77775, 273693), (91231, 233325), (96075, 221561), (108885, 195495), (117297, 181475)]