21306474

素因数分解:

$2^1\times 3^2\times 7^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 120

約数和(自身を含む): 58989060

約数和(自身を除く): 37682586

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 29, 34, 42, 49, 51, 58, 63, 87, 98, 102, 119, 126, 147, 153, 174, 203, 238, 261, 294, 306, 343, 357, 406, 441, 493, 522, 609, 686, 714, 833, 882, 986, 1029, 1071, 1218, 1421, 1479, 1666, 1827, 2058, 2142, 2401, 2499, 2842, 2958, 3087, 3451, 3654, 4263, 4437, 4802, 4998, 5831, 6174, 6902, 7203, 7497, 8526, 8874, 9947, 10353, 11662, 12789, 14406, 14994, 17493, 19894, 20706, 21609, 24157, 25578, 29841, 31059, 34986, 40817, 43218, 48314, 52479, 59682, 62118, 69629, 72471, 81634, 89523, 104958, 122451, 139258, 144942, 169099, 179046, 208887, 217413, 244902, 338198, 367353, 417774, 434826, 507297, 626661, 734706, 1014594, 1183693, 1253322, 1521891, 2367386, 3043782, 3551079, 7102158, 10653237, 21306474]

約数ペア:

[(1, 21306474), (2, 10653237), (3, 7102158), (6, 3551079), (7, 3043782), (9, 2367386), (14, 1521891), (17, 1253322), (18, 1183693), (21, 1014594), (29, 734706), (34, 626661), (42, 507297), (49, 434826), (51, 417774), (58, 367353), (63, 338198), (87, 244902), (98, 217413), (102, 208887), (119, 179046), (126, 169099), (147, 144942), (153, 139258), (174, 122451), (203, 104958), (238, 89523), (261, 81634), (294, 72471), (306, 69629), (343, 62118), (357, 59682), (406, 52479), (441, 48314), (493, 43218), (522, 40817), (609, 34986), (686, 31059), (714, 29841), (833, 25578), (882, 24157), (986, 21609), (1029, 20706), (1071, 19894), (1218, 17493), (1421, 14994), (1479, 14406), (1666, 12789), (1827, 11662), (2058, 10353), (2142, 9947), (2401, 8874), (2499, 8526), (2842, 7497), (2958, 7203), (3087, 6902), (3451, 6174), (3654, 5831), (4263, 4998), (4437, 4802)]