21371517072

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1627}}^1\times {\mathrm{4801}}^1$

素因数の和:6461

約数の個数: 120

約数和(自身を含む): 63010307360

約数和(自身を除く): 41638790288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 1627, 2736, 3254, 4801, 4881, 6508, 9602, 9762, 13016, 14403, 14643, 19204, 19524, 26032, 28806, 29286, 30913, 38408, 39048, 43209, 57612, 58572, 61826, 76816, 78096, 86418, 91219, 92739, 115224, 117144, 123652, 172836, 182438, 185478, 230448, 234288, 247304, 273657, 278217, 345672, 364876, 370956, 494608, 547314, 556434, 691344, 729752, 741912, 820971, 1094628, 1112868, 1459504, 1483824, 1641942, 2189256, 2225736, 3283884, 4378512, 4451472, 6567768, 7811227, 13135536, 15622454, 23433681, 31244908, 46867362, 62489816, 70301043, 93734724, 124979632, 140602086, 148413313, 187469448, 281204172, 296826626, 374938896, 445239939, 562408344, 593653252, 890479878, 1124816688, 1187306504, 1335719817, 1780959756, 2374613008, 2671439634, 3561919512, 5342879268, 7123839024, 10685758536, 21371517072]

約数ペア:

[(1, 21371517072), (2, 10685758536), (3, 7123839024), (4, 5342879268), (6, 3561919512), (8, 2671439634), (9, 2374613008), (12, 1780959756), (16, 1335719817), (18, 1187306504), (19, 1124816688), (24, 890479878), (36, 593653252), (38, 562408344), (48, 445239939), (57, 374938896), (72, 296826626), (76, 281204172), (114, 187469448), (144, 148413313), (152, 140602086), (171, 124979632), (228, 93734724), (304, 70301043), (342, 62489816), (456, 46867362), (684, 31244908), (912, 23433681), (1368, 15622454), (1627, 13135536), (2736, 7811227), (3254, 6567768), (4801, 4451472), (4881, 4378512), (6508, 3283884), (9602, 2225736), (9762, 2189256), (13016, 1641942), (14403, 1483824), (14643, 1459504), (19204, 1112868), (19524, 1094628), (26032, 820971), (28806, 741912), (29286, 729752), (30913, 691344), (38408, 556434), (39048, 547314), (43209, 494608), (57612, 370956), (58572, 364876), (61826, 345672), (76816, 278217), (78096, 273657), (86418, 247304), (91219, 234288), (92739, 230448), (115224, 185478), (117144, 182438), (123652, 172836)]