21000700056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1\times {\mathrm{4463}}^1$

素因数の和:5273

約数の個数: 128

約数和(自身を含む): 61718906880

約数和(自身を除く): 40718206824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 757, 777, 888, 1036, 1514, 1554, 2072, 2271, 3028, 3108, 4463, 4542, 5299, 6056, 6216, 8926, 9084, 10598, 13389, 15897, 17852, 18168, 21196, 26778, 28009, 31241, 31794, 35704, 42392, 53556, 56018, 62482, 63588, 84027, 93723, 107112, 112036, 124964, 127176, 165131, 168054, 187446, 196063, 224072, 249928, 330262, 336108, 374892, 392126, 495393, 588189, 660524, 672216, 749784, 784252, 990786, 1155917, 1176378, 1321048, 1568504, 1981572, 2311834, 2352756, 3378491, 3467751, 3963144, 4623668, 4705512, 6756982, 6935502, 9247336, 10135473, 13513964, 13871004, 20270946, 23649437, 27027928, 27742008, 40541892, 47298874, 70948311, 81083784, 94597748, 125004167, 141896622, 189195496, 250008334, 283793244, 375012501, 500016668, 567586488, 750025002, 875029169, 1000033336, 1500050004, 1750058338, 2625087507, 3000100008, 3500116676, 5250175014, 7000233352, 10500350028, 21000700056]

約数ペア:

[(1, 21000700056), (2, 10500350028), (3, 7000233352), (4, 5250175014), (6, 3500116676), (7, 3000100008), (8, 2625087507), (12, 1750058338), (14, 1500050004), (21, 1000033336), (24, 875029169), (28, 750025002), (37, 567586488), (42, 500016668), (56, 375012501), (74, 283793244), (84, 250008334), (111, 189195496), (148, 141896622), (168, 125004167), (222, 94597748), (259, 81083784), (296, 70948311), (444, 47298874), (518, 40541892), (757, 27742008), (777, 27027928), (888, 23649437), (1036, 20270946), (1514, 13871004), (1554, 13513964), (2072, 10135473), (2271, 9247336), (3028, 6935502), (3108, 6756982), (4463, 4705512), (4542, 4623668), (5299, 3963144), (6056, 3467751), (6216, 3378491), (8926, 2352756), (9084, 2311834), (10598, 1981572), (13389, 1568504), (15897, 1321048), (17852, 1176378), (18168, 1155917), (21196, 990786), (26778, 784252), (28009, 749784), (31241, 672216), (31794, 660524), (35704, 588189), (42392, 495393), (53556, 392126), (56018, 374892), (62482, 336108), (63588, 330262), (84027, 249928), (93723, 224072), (107112, 196063), (112036, 187446), (124964, 168054), (127176, 165131)]