21666168

素因数分解:

$2^3\times 3^2\times {\mathrm{113}}^1\times {\mathrm{2663}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 59220720

約数和(自身を除く): 37554552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 113, 226, 339, 452, 678, 904, 1017, 1356, 2034, 2663, 2712, 4068, 5326, 7989, 8136, 10652, 15978, 21304, 23967, 31956, 47934, 63912, 95868, 191736, 300919, 601838, 902757, 1203676, 1805514, 2407352, 2708271, 3611028, 5416542, 7222056, 10833084, 21666168]

約数ペア:

[(1, 21666168), (2, 10833084), (3, 7222056), (4, 5416542), (6, 3611028), (8, 2708271), (9, 2407352), (12, 1805514), (18, 1203676), (24, 902757), (36, 601838), (72, 300919), (113, 191736), (226, 95868), (339, 63912), (452, 47934), (678, 31956), (904, 23967), (1017, 21304), (1356, 15978), (2034, 10652), (2663, 8136), (2712, 7989), (4068, 5326)]