21167741871

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{1559}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 31417451520

約数和(自身を除く): 10249709649

約数列:

[1, 3, 9, 97, 103, 151, 291, 309, 453, 873, 927, 1359, 1559, 4677, 9991, 14031, 14647, 15553, 29973, 43941, 46659, 89919, 131823, 139977, 151223, 160577, 235409, 453669, 481731, 706227, 1361007, 1445193, 1508641, 2118681, 4525923, 13577769, 15575969, 22834673, 24247127, 46727907, 68504019, 72741381, 140183721, 205512057, 218224143, 2351971319, 7055913957, 21167741871]

約数ペア:

[(1, 21167741871), (3, 7055913957), (9, 2351971319), (97, 218224143), (103, 205512057), (151, 140183721), (291, 72741381), (309, 68504019), (453, 46727907), (873, 24247127), (927, 22834673), (1359, 15575969), (1559, 13577769), (4677, 4525923), (9991, 2118681), (14031, 1508641), (14647, 1445193), (15553, 1361007), (29973, 706227), (43941, 481731), (46659, 453669), (89919, 235409), (131823, 160577), (139977, 151223)]