21691560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16433}}^1$

素因数の和:16458

約数の個数: 64

約数和(自身を含む): 70994880

約数和(自身を除く): 49303320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16433, 32866, 49299, 65732, 82165, 98598, 131464, 164330, 180763, 197196, 246495, 328660, 361526, 394392, 492990, 542289, 657320, 723052, 903815, 985980, 1084578, 1446104, 1807630, 1971960, 2169156, 2711445, 3615260, 4338312, 5422890, 7230520, 10845780, 21691560]

約数ペア:

[(1, 21691560), (2, 10845780), (3, 7230520), (4, 5422890), (5, 4338312), (6, 3615260), (8, 2711445), (10, 2169156), (11, 1971960), (12, 1807630), (15, 1446104), (20, 1084578), (22, 985980), (24, 903815), (30, 723052), (33, 657320), (40, 542289), (44, 492990), (55, 394392), (60, 361526), (66, 328660), (88, 246495), (110, 197196), (120, 180763), (132, 164330), (165, 131464), (220, 98598), (264, 82165), (330, 65732), (440, 49299), (660, 32866), (1320, 16433)]