21616656

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 60264000

約数和(自身を除く): 38647344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 59, 68, 102, 118, 136, 177, 204, 236, 272, 354, 408, 449, 472, 708, 816, 898, 944, 1003, 1347, 1416, 1796, 2006, 2694, 2832, 3009, 3592, 4012, 5388, 6018, 7184, 7633, 8024, 10776, 12036, 15266, 16048, 21552, 22899, 24072, 26491, 30532, 45798, 48144, 52982, 61064, 79473, 91596, 105964, 122128, 158946, 183192, 211928, 317892, 366384, 423856, 450347, 635784, 900694, 1271568, 1351041, 1801388, 2702082, 3602776, 5404164, 7205552, 10808328, 21616656]

約数ペア:

[(1, 21616656), (2, 10808328), (3, 7205552), (4, 5404164), (6, 3602776), (8, 2702082), (12, 1801388), (16, 1351041), (17, 1271568), (24, 900694), (34, 635784), (48, 450347), (51, 423856), (59, 366384), (68, 317892), (102, 211928), (118, 183192), (136, 158946), (177, 122128), (204, 105964), (236, 91596), (272, 79473), (354, 61064), (408, 52982), (449, 48144), (472, 45798), (708, 30532), (816, 26491), (898, 24072), (944, 22899), (1003, 21552), (1347, 16048), (1416, 15266), (1796, 12036), (2006, 10776), (2694, 8024), (2832, 7633), (3009, 7184), (3592, 6018), (4012, 5388)]