21144816

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1907}}^1$

素因数の和:1939

約数の個数: 120

約数和(自身を含む): 73816704

約数和(自身を除く): 52671888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 99, 112, 126, 132, 144, 154, 168, 176, 198, 231, 252, 264, 308, 336, 396, 462, 504, 528, 616, 693, 792, 924, 1008, 1232, 1386, 1584, 1848, 1907, 2772, 3696, 3814, 5544, 5721, 7628, 11088, 11442, 13349, 15256, 17163, 20977, 22884, 26698, 30512, 34326, 40047, 41954, 45768, 53396, 62931, 68652, 80094, 83908, 91536, 106792, 120141, 125862, 137304, 146839, 160188, 167816, 188793, 213584, 240282, 251724, 274608, 293678, 320376, 335632, 377586, 440517, 480564, 503448, 587356, 640752, 755172, 881034, 961128, 1006896, 1174712, 1321551, 1510344, 1762068, 1922256, 2349424, 2643102, 3020688, 3524136, 5286204, 7048272, 10572408, 21144816]

約数ペア:

[(1, 21144816), (2, 10572408), (3, 7048272), (4, 5286204), (6, 3524136), (7, 3020688), (8, 2643102), (9, 2349424), (11, 1922256), (12, 1762068), (14, 1510344), (16, 1321551), (18, 1174712), (21, 1006896), (22, 961128), (24, 881034), (28, 755172), (33, 640752), (36, 587356), (42, 503448), (44, 480564), (48, 440517), (56, 377586), (63, 335632), (66, 320376), (72, 293678), (77, 274608), (84, 251724), (88, 240282), (99, 213584), (112, 188793), (126, 167816), (132, 160188), (144, 146839), (154, 137304), (168, 125862), (176, 120141), (198, 106792), (231, 91536), (252, 83908), (264, 80094), (308, 68652), (336, 62931), (396, 53396), (462, 45768), (504, 41954), (528, 40047), (616, 34326), (693, 30512), (792, 26698), (924, 22884), (1008, 20977), (1232, 17163), (1386, 15256), (1584, 13349), (1848, 11442), (1907, 11088), (2772, 7628), (3696, 5721), (3814, 5544)]