21494604

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 53480448

約数和(自身を除く): 31985844

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 1657, 2162, 3243, 3314, 4324, 4971, 6486, 6628, 9942, 12972, 19884, 38111, 76222, 77879, 114333, 152444, 155758, 228666, 233637, 311516, 457332, 467274, 934548, 1791217, 3582434, 5373651, 7164868, 10747302, 21494604]

約数ペア:

[(1, 21494604), (2, 10747302), (3, 7164868), (4, 5373651), (6, 3582434), (12, 1791217), (23, 934548), (46, 467274), (47, 457332), (69, 311516), (92, 233637), (94, 228666), (138, 155758), (141, 152444), (188, 114333), (276, 77879), (282, 76222), (564, 38111), (1081, 19884), (1657, 12972), (2162, 9942), (3243, 6628), (3314, 6486), (4324, 4971)]