21274650

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 63370944

約数和(自身を除く): 42096294

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 81, 85, 90, 102, 103, 135, 150, 153, 162, 170, 206, 225, 243, 255, 270, 306, 309, 405, 425, 450, 459, 486, 510, 515, 618, 675, 765, 810, 850, 918, 927, 1030, 1215, 1275, 1350, 1377, 1530, 1545, 1751, 1854, 2025, 2295, 2430, 2550, 2575, 2754, 2781, 3090, 3502, 3825, 4050, 4131, 4590, 4635, 5150, 5253, 5562, 6075, 6885, 7650, 7725, 8262, 8343, 8755, 9270, 10506, 11475, 12150, 13770, 13905, 15450, 15759, 16686, 17510, 20655, 22950, 23175, 25029, 26265, 27810, 31518, 34425, 41310, 41715, 43775, 46350, 47277, 50058, 52530, 68850, 69525, 78795, 83430, 87550, 94554, 103275, 125145, 131325, 139050, 141831, 157590, 206550, 208575, 236385, 250290, 262650, 283662, 393975, 417150, 425493, 472770, 625725, 709155, 787950, 850986, 1181925, 1251450, 1418310, 2127465, 2363850, 3545775, 4254930, 7091550, 10637325, 21274650]

約数ペア:

[(1, 21274650), (2, 10637325), (3, 7091550), (5, 4254930), (6, 3545775), (9, 2363850), (10, 2127465), (15, 1418310), (17, 1251450), (18, 1181925), (25, 850986), (27, 787950), (30, 709155), (34, 625725), (45, 472770), (50, 425493), (51, 417150), (54, 393975), (75, 283662), (81, 262650), (85, 250290), (90, 236385), (102, 208575), (103, 206550), (135, 157590), (150, 141831), (153, 139050), (162, 131325), (170, 125145), (206, 103275), (225, 94554), (243, 87550), (255, 83430), (270, 78795), (306, 69525), (309, 68850), (405, 52530), (425, 50058), (450, 47277), (459, 46350), (486, 43775), (510, 41715), (515, 41310), (618, 34425), (675, 31518), (765, 27810), (810, 26265), (850, 25029), (918, 23175), (927, 22950), (1030, 20655), (1215, 17510), (1275, 16686), (1350, 15759), (1377, 15450), (1530, 13905), (1545, 13770), (1751, 12150), (1854, 11475), (2025, 10506), (2295, 9270), (2430, 8755), (2550, 8343), (2575, 8262), (2754, 7725), (2781, 7650), (3090, 6885), (3502, 6075), (3825, 5562), (4050, 5253), (4131, 5150), (4590, 4635)]