21167352387

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{82003}}^1$

素因数の和:82104

約数の個数: 48

約数和(自身を含む): 33772527360

約数和(自身を除く): 12605174973

約数列:

[1, 3, 9, 23, 29, 43, 69, 87, 129, 207, 261, 387, 667, 989, 1247, 2001, 2967, 3741, 6003, 8901, 11223, 28681, 82003, 86043, 246009, 258129, 738027, 1886069, 2378087, 3526129, 5658207, 7134261, 10578387, 16974621, 21402783, 31735161, 54696001, 81100967, 102257741, 164088003, 243302901, 306773223, 492264009, 729908703, 920319669, 2351928043, 7055784129, 21167352387]

約数ペア:

[(1, 21167352387), (3, 7055784129), (9, 2351928043), (23, 920319669), (29, 729908703), (43, 492264009), (69, 306773223), (87, 243302901), (129, 164088003), (207, 102257741), (261, 81100967), (387, 54696001), (667, 31735161), (989, 21402783), (1247, 16974621), (2001, 10578387), (2967, 7134261), (3741, 5658207), (6003, 3526129), (8901, 2378087), (11223, 1886069), (28681, 738027), (82003, 258129), (86043, 246009)]