21348036

素因数分解:

$2^2\times 3^6\times {\mathrm{7321}}^1$

素因数の和:7343

約数の個数: 42

約数和(自身を含む): 56020622

約数和(自身を除く): 34672586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7321, 14642, 21963, 29284, 43926, 65889, 87852, 131778, 197667, 263556, 395334, 593001, 790668, 1186002, 1779003, 2372004, 3558006, 5337009, 7116012, 10674018, 21348036]

約数ペア:

[(1, 21348036), (2, 10674018), (3, 7116012), (4, 5337009), (6, 3558006), (9, 2372004), (12, 1779003), (18, 1186002), (27, 790668), (36, 593001), (54, 395334), (81, 263556), (108, 197667), (162, 131778), (243, 87852), (324, 65889), (486, 43926), (729, 29284), (972, 21963), (1458, 14642), (2916, 7321)]