21592395

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 41225184

約数和(自身を除く): 19632789

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 181, 241, 495, 543, 723, 905, 1205, 1629, 1991, 2169, 2651, 2715, 3615, 5973, 7953, 8145, 9955, 10845, 13255, 17919, 23859, 29865, 39765, 43621, 89595, 119295, 130863, 218105, 392589, 479831, 654315, 1439493, 1962945, 2399155, 4318479, 7197465, 21592395]

約数ペア:

[(1, 21592395), (3, 7197465), (5, 4318479), (9, 2399155), (11, 1962945), (15, 1439493), (33, 654315), (45, 479831), (55, 392589), (99, 218105), (165, 130863), (181, 119295), (241, 89595), (495, 43621), (543, 39765), (723, 29865), (905, 23859), (1205, 17919), (1629, 13255), (1991, 10845), (2169, 9955), (2651, 8145), (2715, 7953), (3615, 5973)]