21251484

素因数分解:

$2^2\times 3^4\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:736

約数の個数: 60

約数和(自身を含む): 56166264

約数和(自身を除く): 34914780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 107, 108, 162, 214, 321, 324, 428, 613, 642, 963, 1226, 1284, 1839, 1926, 2452, 2889, 3678, 3852, 5517, 5778, 7356, 8667, 11034, 11556, 16551, 17334, 22068, 33102, 34668, 49653, 65591, 66204, 99306, 131182, 196773, 198612, 262364, 393546, 590319, 787092, 1180638, 1770957, 2361276, 3541914, 5312871, 7083828, 10625742, 21251484]

約数ペア:

[(1, 21251484), (2, 10625742), (3, 7083828), (4, 5312871), (6, 3541914), (9, 2361276), (12, 1770957), (18, 1180638), (27, 787092), (36, 590319), (54, 393546), (81, 262364), (107, 198612), (108, 196773), (162, 131182), (214, 99306), (321, 66204), (324, 65591), (428, 49653), (613, 34668), (642, 33102), (963, 22068), (1226, 17334), (1284, 16551), (1839, 11556), (1926, 11034), (2452, 8667), (2889, 7356), (3678, 5778), (3852, 5517)]