21091730004

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{499}}^1\times {\mathrm{10973}}^1$

素因数の和:11589

約数の個数: 72

約数和(自身を含む): 53926236000

約数和(自身を除く): 32834505996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 499, 642, 963, 998, 1284, 1497, 1926, 1996, 2994, 3852, 4491, 5988, 8982, 10973, 17964, 21946, 32919, 43892, 53393, 65838, 98757, 106786, 131676, 160179, 197514, 213572, 320358, 395028, 480537, 640716, 961074, 1174111, 1922148, 2348222, 3522333, 4696444, 5475527, 7044666, 10566999, 10951054, 14089332, 16426581, 21133998, 21902108, 32853162, 42267996, 49279743, 65706324, 98559486, 197118972, 585881389, 1171762778, 1757644167, 2343525556, 3515288334, 5272932501, 7030576668, 10545865002, 21091730004]

約数ペア:

[(1, 21091730004), (2, 10545865002), (3, 7030576668), (4, 5272932501), (6, 3515288334), (9, 2343525556), (12, 1757644167), (18, 1171762778), (36, 585881389), (107, 197118972), (214, 98559486), (321, 65706324), (428, 49279743), (499, 42267996), (642, 32853162), (963, 21902108), (998, 21133998), (1284, 16426581), (1497, 14089332), (1926, 10951054), (1996, 10566999), (2994, 7044666), (3852, 5475527), (4491, 4696444), (5988, 3522333), (8982, 2348222), (10973, 1922148), (17964, 1174111), (21946, 961074), (32919, 640716), (43892, 480537), (53393, 395028), (65838, 320358), (98757, 213572), (106786, 197514), (131676, 160179)]