21845688

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 57027360

約数和(自身を除く): 35181672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 73, 74, 111, 146, 148, 219, 222, 292, 296, 337, 438, 444, 584, 674, 876, 888, 1011, 1348, 1752, 2022, 2696, 2701, 4044, 5402, 8088, 8103, 10804, 12469, 16206, 21608, 24601, 24938, 32412, 37407, 49202, 49876, 64824, 73803, 74814, 98404, 99752, 147606, 149628, 196808, 295212, 299256, 590424, 910237, 1820474, 2730711, 3640948, 5461422, 7281896, 10922844, 21845688]

約数ペア:

[(1, 21845688), (2, 10922844), (3, 7281896), (4, 5461422), (6, 3640948), (8, 2730711), (12, 1820474), (24, 910237), (37, 590424), (73, 299256), (74, 295212), (111, 196808), (146, 149628), (148, 147606), (219, 99752), (222, 98404), (292, 74814), (296, 73803), (337, 64824), (438, 49876), (444, 49202), (584, 37407), (674, 32412), (876, 24938), (888, 24601), (1011, 21608), (1348, 16206), (1752, 12469), (2022, 10804), (2696, 8103), (2701, 8088), (4044, 5402)]