21242100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 69120576

約数和(自身を除く): 47878476

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 41, 44, 50, 55, 60, 66, 75, 82, 100, 110, 123, 132, 150, 157, 164, 165, 205, 220, 246, 275, 300, 314, 330, 410, 451, 471, 492, 550, 615, 628, 660, 785, 820, 825, 902, 942, 1025, 1100, 1230, 1353, 1570, 1650, 1727, 1804, 1884, 2050, 2255, 2355, 2460, 2706, 3075, 3140, 3300, 3454, 3925, 4100, 4510, 4710, 5181, 5412, 6150, 6437, 6765, 6908, 7850, 8635, 9020, 9420, 10362, 11275, 11775, 12300, 12874, 13530, 15700, 17270, 19311, 20724, 22550, 23550, 25748, 25905, 27060, 32185, 33825, 34540, 38622, 43175, 45100, 47100, 51810, 64370, 67650, 70807, 77244, 86350, 96555, 103620, 128740, 129525, 135300, 141614, 160925, 172700, 193110, 212421, 259050, 283228, 321850, 354035, 386220, 424842, 482775, 518100, 643700, 708070, 849684, 965550, 1062105, 1416140, 1770175, 1931100, 2124210, 3540350, 4248420, 5310525, 7080700, 10621050, 21242100]

約数ペア:

[(1, 21242100), (2, 10621050), (3, 7080700), (4, 5310525), (5, 4248420), (6, 3540350), (10, 2124210), (11, 1931100), (12, 1770175), (15, 1416140), (20, 1062105), (22, 965550), (25, 849684), (30, 708070), (33, 643700), (41, 518100), (44, 482775), (50, 424842), (55, 386220), (60, 354035), (66, 321850), (75, 283228), (82, 259050), (100, 212421), (110, 193110), (123, 172700), (132, 160925), (150, 141614), (157, 135300), (164, 129525), (165, 128740), (205, 103620), (220, 96555), (246, 86350), (275, 77244), (300, 70807), (314, 67650), (330, 64370), (410, 51810), (451, 47100), (471, 45100), (492, 43175), (550, 38622), (615, 34540), (628, 33825), (660, 32185), (785, 27060), (820, 25905), (825, 25748), (902, 23550), (942, 22550), (1025, 20724), (1100, 19311), (1230, 17270), (1353, 15700), (1570, 13530), (1650, 12874), (1727, 12300), (1804, 11775), (1884, 11275), (2050, 10362), (2255, 9420), (2355, 9020), (2460, 8635), (2706, 7850), (3075, 6908), (3140, 6765), (3300, 6437), (3454, 6150), (3925, 5412), (4100, 5181), (4510, 4710)]