21756768

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{1873}}^1$

素因数の和:1908

約数の個数: 72

約数和(自身を含む): 62808984

約数和(自身を除く): 41052216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 121, 132, 176, 242, 264, 352, 363, 484, 528, 726, 968, 1056, 1452, 1873, 1936, 2904, 3746, 3872, 5619, 5808, 7492, 11238, 11616, 14984, 20603, 22476, 29968, 41206, 44952, 59936, 61809, 82412, 89904, 123618, 164824, 179808, 226633, 247236, 329648, 453266, 494472, 659296, 679899, 906532, 988944, 1359798, 1813064, 1977888, 2719596, 3626128, 5439192, 7252256, 10878384, 21756768]

約数ペア:

[(1, 21756768), (2, 10878384), (3, 7252256), (4, 5439192), (6, 3626128), (8, 2719596), (11, 1977888), (12, 1813064), (16, 1359798), (22, 988944), (24, 906532), (32, 679899), (33, 659296), (44, 494472), (48, 453266), (66, 329648), (88, 247236), (96, 226633), (121, 179808), (132, 164824), (176, 123618), (242, 89904), (264, 82412), (352, 61809), (363, 59936), (484, 44952), (528, 41206), (726, 29968), (968, 22476), (1056, 20603), (1452, 14984), (1873, 11616), (1936, 11238), (2904, 7492), (3746, 5808), (3872, 5619)]