21218736

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5741}}^1$

素因数の和:5770

約数の個数: 80

約数和(自身を含む): 68352768

約数和(自身を除く): 47134032

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5741, 11482, 17223, 22964, 34446, 40187, 45928, 63151, 68892, 80374, 91856, 120561, 126302, 137784, 160748, 189453, 241122, 252604, 275568, 321496, 378906, 442057, 482244, 505208, 642992, 757812, 884114, 964488, 1010416, 1326171, 1515624, 1768228, 1928976, 2652342, 3031248, 3536456, 5304684, 7072912, 10609368, 21218736]

約数ペア:

[(1, 21218736), (2, 10609368), (3, 7072912), (4, 5304684), (6, 3536456), (7, 3031248), (8, 2652342), (11, 1928976), (12, 1768228), (14, 1515624), (16, 1326171), (21, 1010416), (22, 964488), (24, 884114), (28, 757812), (33, 642992), (42, 505208), (44, 482244), (48, 442057), (56, 378906), (66, 321496), (77, 275568), (84, 252604), (88, 241122), (112, 189453), (132, 160748), (154, 137784), (168, 126302), (176, 120561), (231, 91856), (264, 80374), (308, 68892), (336, 63151), (462, 45928), (528, 40187), (616, 34446), (924, 22964), (1232, 17223), (1848, 11482), (3696, 5741)]