21783960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5501}}^1$

素因数の和:5529

約数の個数: 96

約数和(自身を含む): 77248080

約数和(自身を除く): 55464120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5501, 11002, 16503, 22004, 27505, 33006, 44008, 49509, 55010, 60511, 66012, 82515, 99018, 110020, 121022, 132024, 165030, 181533, 198036, 220040, 242044, 247545, 302555, 330060, 363066, 396072, 484088, 495090, 544599, 605110, 660120, 726132, 907665, 990180, 1089198, 1210220, 1452264, 1815330, 1980360, 2178396, 2420440, 2722995, 3630660, 4356792, 5445990, 7261320, 10891980, 21783960]

約数ペア:

[(1, 21783960), (2, 10891980), (3, 7261320), (4, 5445990), (5, 4356792), (6, 3630660), (8, 2722995), (9, 2420440), (10, 2178396), (11, 1980360), (12, 1815330), (15, 1452264), (18, 1210220), (20, 1089198), (22, 990180), (24, 907665), (30, 726132), (33, 660120), (36, 605110), (40, 544599), (44, 495090), (45, 484088), (55, 396072), (60, 363066), (66, 330060), (72, 302555), (88, 247545), (90, 242044), (99, 220040), (110, 198036), (120, 181533), (132, 165030), (165, 132024), (180, 121022), (198, 110020), (220, 99018), (264, 82515), (330, 66012), (360, 60511), (396, 55010), (440, 49509), (495, 44008), (660, 33006), (792, 27505), (990, 22004), (1320, 16503), (1980, 11002), (3960, 5501)]