21717423

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8839}}^1$

素因数の和:8868

約数の個数: 32

約数和(自身を含む): 39603200

約数和(自身を除く): 17885777

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8839, 26517, 61873, 79551, 114907, 185619, 238653, 344721, 556857, 804349, 1034163, 1670571, 2413047, 3102489, 7239141, 21717423]

約数ペア:

[(1, 21717423), (3, 7239141), (7, 3102489), (9, 2413047), (13, 1670571), (21, 1034163), (27, 804349), (39, 556857), (63, 344721), (91, 238653), (117, 185619), (189, 114907), (273, 79551), (351, 61873), (819, 26517), (2457, 8839)]