21493208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{523}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 44141760

約数和(自身を除く): 22648552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 467, 523, 934, 1046, 1868, 2092, 3736, 4184, 5137, 5753, 10274, 11506, 20548, 23012, 41096, 46024, 244241, 488482, 976964, 1953928, 2686651, 5373302, 10746604, 21493208]

約数ペア:

[(1, 21493208), (2, 10746604), (4, 5373302), (8, 2686651), (11, 1953928), (22, 976964), (44, 488482), (88, 244241), (467, 46024), (523, 41096), (934, 23012), (1046, 20548), (1868, 11506), (2092, 10274), (3736, 5753), (4184, 5137)]