21105845103

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2\times {\mathrm{4093}}^1$

素因数の和:4312

約数の個数: 48

約数和(自身を含む): 33584162816

約数和(自身を除く): 12478317713

約数列:

[1, 3, 7, 21, 31, 89, 93, 217, 267, 623, 651, 1869, 2759, 4093, 7921, 8277, 12279, 19313, 23763, 28651, 55447, 57939, 85953, 126883, 166341, 245551, 364277, 380649, 736653, 888181, 1092831, 1718857, 2549939, 2664543, 5156571, 7649817, 11292587, 32420653, 33877761, 79048109, 97261959, 226944571, 237144327, 680833713, 1005040243, 3015120729, 7035281701, 21105845103]

約数ペア:

[(1, 21105845103), (3, 7035281701), (7, 3015120729), (21, 1005040243), (31, 680833713), (89, 237144327), (93, 226944571), (217, 97261959), (267, 79048109), (623, 33877761), (651, 32420653), (1869, 11292587), (2759, 7649817), (4093, 5156571), (7921, 2664543), (8277, 2549939), (12279, 1718857), (19313, 1092831), (23763, 888181), (28651, 736653), (55447, 380649), (57939, 364277), (85953, 245551), (126883, 166341)]