21297144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80671}}^1$

素因数の和:80691

約数の個数: 32

約数和(自身を含む): 58083840

約数和(自身を除く): 36786696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80671, 161342, 242013, 322684, 484026, 645368, 887381, 968052, 1774762, 1936104, 2662143, 3549524, 5324286, 7099048, 10648572, 21297144]

約数ペア:

[(1, 21297144), (2, 10648572), (3, 7099048), (4, 5324286), (6, 3549524), (8, 2662143), (11, 1936104), (12, 1774762), (22, 968052), (24, 887381), (33, 645368), (44, 484026), (66, 322684), (88, 242013), (132, 161342), (264, 80671)]