21045150

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 70709760

約数和(自身を除く): 49664610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 25, 27, 30, 34, 35, 42, 45, 50, 51, 54, 63, 70, 75, 85, 90, 102, 105, 119, 126, 131, 135, 150, 153, 170, 175, 189, 210, 225, 238, 255, 262, 270, 306, 315, 350, 357, 378, 393, 425, 450, 459, 510, 525, 595, 630, 655, 675, 714, 765, 786, 850, 917, 918, 945, 1050, 1071, 1179, 1190, 1275, 1310, 1350, 1530, 1575, 1785, 1834, 1890, 1965, 2142, 2227, 2295, 2358, 2550, 2751, 2975, 3150, 3213, 3275, 3537, 3570, 3825, 3930, 4454, 4585, 4590, 4725, 5355, 5502, 5895, 5950, 6426, 6550, 6681, 7074, 7650, 8253, 8925, 9170, 9450, 9825, 10710, 11135, 11475, 11790, 13362, 13755, 15589, 16065, 16506, 17685, 17850, 19650, 20043, 22270, 22925, 22950, 24759, 26775, 27510, 29475, 31178, 32130, 33405, 35370, 40086, 41265, 45850, 46767, 49518, 53550, 55675, 58950, 60129, 66810, 68775, 77945, 80325, 82530, 88425, 93534, 100215, 111350, 120258, 123795, 137550, 140301, 155890, 160650, 167025, 176850, 200430, 206325, 233835, 247590, 280602, 300645, 334050, 389725, 412650, 420903, 467670, 501075, 601290, 618975, 701505, 779450, 841806, 1002150, 1169175, 1237950, 1403010, 1503225, 2104515, 2338350, 3006450, 3507525, 4209030, 7015050, 10522575, 21045150]

約数ペア:

[(1, 21045150), (2, 10522575), (3, 7015050), (5, 4209030), (6, 3507525), (7, 3006450), (9, 2338350), (10, 2104515), (14, 1503225), (15, 1403010), (17, 1237950), (18, 1169175), (21, 1002150), (25, 841806), (27, 779450), (30, 701505), (34, 618975), (35, 601290), (42, 501075), (45, 467670), (50, 420903), (51, 412650), (54, 389725), (63, 334050), (70, 300645), (75, 280602), (85, 247590), (90, 233835), (102, 206325), (105, 200430), (119, 176850), (126, 167025), (131, 160650), (135, 155890), (150, 140301), (153, 137550), (170, 123795), (175, 120258), (189, 111350), (210, 100215), (225, 93534), (238, 88425), (255, 82530), (262, 80325), (270, 77945), (306, 68775), (315, 66810), (350, 60129), (357, 58950), (378, 55675), (393, 53550), (425, 49518), (450, 46767), (459, 45850), (510, 41265), (525, 40086), (595, 35370), (630, 33405), (655, 32130), (675, 31178), (714, 29475), (765, 27510), (786, 26775), (850, 24759), (917, 22950), (918, 22925), (945, 22270), (1050, 20043), (1071, 19650), (1179, 17850), (1190, 17685), (1275, 16506), (1310, 16065), (1350, 15589), (1530, 13755), (1575, 13362), (1785, 11790), (1834, 11475), (1890, 11135), (1965, 10710), (2142, 9825), (2227, 9450), (2295, 9170), (2358, 8925), (2550, 8253), (2751, 7650), (2975, 7074), (3150, 6681), (3213, 6550), (3275, 6426), (3537, 5950), (3570, 5895), (3825, 5502), (3930, 5355), (4454, 4725), (4585, 4590)]