21051796689

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{1069}}^1$

素因数の和:1431

約数の個数: 96

約数和(自身を含む): 38399612160

約数和(自身を除く): 17347815471

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 157, 181, 231, 471, 543, 693, 1069, 1099, 1267, 1413, 1629, 1727, 1991, 3207, 3297, 3801, 5181, 5973, 7483, 9621, 9891, 11403, 11759, 12089, 13937, 15543, 17919, 22449, 28417, 35277, 36267, 41811, 67347, 82313, 85251, 105831, 108801, 125433, 167833, 193489, 198919, 246939, 255753, 312587, 503499, 580467, 596757, 740817, 937761, 1174831, 1354423, 1510497, 1741401, 1790271, 1846163, 2128379, 2188109, 2813283, 3524493, 4063269, 5538489, 6385137, 6564327, 10573479, 12189807, 12923141, 14898653, 16615467, 19155411, 19692981, 30377773, 38769423, 44695959, 91133319, 116308269, 134087877, 212644411, 273399957, 334155503, 637933233, 1002466509, 1913799699, 2339088521, 3007399527, 7017265563, 21051796689]

約数ペア:

[(1, 21051796689), (3, 7017265563), (7, 3007399527), (9, 2339088521), (11, 1913799699), (21, 1002466509), (33, 637933233), (63, 334155503), (77, 273399957), (99, 212644411), (157, 134087877), (181, 116308269), (231, 91133319), (471, 44695959), (543, 38769423), (693, 30377773), (1069, 19692981), (1099, 19155411), (1267, 16615467), (1413, 14898653), (1629, 12923141), (1727, 12189807), (1991, 10573479), (3207, 6564327), (3297, 6385137), (3801, 5538489), (5181, 4063269), (5973, 3524493), (7483, 2813283), (9621, 2188109), (9891, 2128379), (11403, 1846163), (11759, 1790271), (12089, 1741401), (13937, 1510497), (15543, 1354423), (17919, 1174831), (22449, 937761), (28417, 740817), (35277, 596757), (36267, 580467), (41811, 503499), (67347, 312587), (82313, 255753), (85251, 246939), (105831, 198919), (108801, 193489), (125433, 167833)]