21491412404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{103681}}^1$

素因数の和:104376

約数の個数: 48

約数和(自身を含む): 46960480896

約数和(自身を除く): 25469068492

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 673, 1346, 2692, 4711, 7403, 9422, 14806, 18844, 29612, 51821, 103642, 103681, 207284, 207362, 414724, 725767, 1140491, 1451534, 2280982, 2903068, 4561964, 7983437, 15966874, 31933748, 69777313, 139554626, 279109252, 488441191, 767550443, 976882382, 1535100886, 1953764764, 3070201772, 5372853101, 10745706202, 21491412404]

約数ペア:

[(1, 21491412404), (2, 10745706202), (4, 5372853101), (7, 3070201772), (11, 1953764764), (14, 1535100886), (22, 976882382), (28, 767550443), (44, 488441191), (77, 279109252), (154, 139554626), (308, 69777313), (673, 31933748), (1346, 15966874), (2692, 7983437), (4711, 4561964), (7403, 2903068), (9422, 2280982), (14806, 1451534), (18844, 1140491), (29612, 725767), (51821, 414724), (103642, 207362), (103681, 207284)]