21181776

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 68870592

約数和(自身を除く): 47688816

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, 121, 132, 154, 168, 176, 231, 242, 264, 308, 336, 363, 462, 484, 521, 528, 616, 726, 847, 924, 968, 1042, 1232, 1452, 1563, 1694, 1848, 1936, 2084, 2541, 2904, 3126, 3388, 3647, 3696, 4168, 5082, 5731, 5808, 6252, 6776, 7294, 8336, 10164, 10941, 11462, 12504, 13552, 14588, 17193, 20328, 21882, 22924, 25008, 29176, 34386, 40117, 40656, 43764, 45848, 58352, 63041, 68772, 80234, 87528, 91696, 120351, 126082, 137544, 160468, 175056, 189123, 240702, 252164, 275088, 320936, 378246, 441287, 481404, 504328, 641872, 756492, 882574, 962808, 1008656, 1323861, 1512984, 1765148, 1925616, 2647722, 3025968, 3530296, 5295444, 7060592, 10590888, 21181776]

約数ペア:

[(1, 21181776), (2, 10590888), (3, 7060592), (4, 5295444), (6, 3530296), (7, 3025968), (8, 2647722), (11, 1925616), (12, 1765148), (14, 1512984), (16, 1323861), (21, 1008656), (22, 962808), (24, 882574), (28, 756492), (33, 641872), (42, 504328), (44, 481404), (48, 441287), (56, 378246), (66, 320936), (77, 275088), (84, 252164), (88, 240702), (112, 189123), (121, 175056), (132, 160468), (154, 137544), (168, 126082), (176, 120351), (231, 91696), (242, 87528), (264, 80234), (308, 68772), (336, 63041), (363, 58352), (462, 45848), (484, 43764), (521, 40656), (528, 40117), (616, 34386), (726, 29176), (847, 25008), (924, 22924), (968, 21882), (1042, 20328), (1232, 17193), (1452, 14588), (1563, 13552), (1694, 12504), (1848, 11462), (1936, 10941), (2084, 10164), (2541, 8336), (2904, 7294), (3126, 6776), (3388, 6252), (3647, 5808), (3696, 5731), (4168, 5082)]