21710432856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1\times {\mathrm{977}}^1$

素因数の和:1721

約数の個数: 128

約数和(自身を含む): 62435520000

約数和(自身を除く): 40725087144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 349, 379, 698, 758, 977, 1047, 1137, 1396, 1516, 1954, 2094, 2274, 2443, 2653, 2792, 2931, 3032, 3908, 4188, 4548, 4886, 5306, 5862, 6839, 7329, 7816, 7959, 8376, 9096, 9772, 10612, 11724, 13678, 14658, 15918, 19544, 20517, 21224, 23448, 27356, 29316, 31836, 41034, 54712, 58632, 63672, 82068, 132271, 164136, 264542, 340973, 370283, 396813, 529084, 681946, 740566, 793626, 925897, 1022919, 1058168, 1110849, 1363892, 1481132, 1587252, 1851794, 2045838, 2221698, 2386811, 2591981, 2727784, 2777691, 2962264, 3174504, 3703588, 4091676, 4443396, 4773622, 5183962, 5555382, 7160433, 7407176, 7775943, 8183352, 8886792, 9547244, 10367924, 11110764, 14320866, 15551886, 19094488, 20735848, 22221528, 28641732, 31103772, 57283464, 62207544, 129228767, 258457534, 387686301, 516915068, 775372602, 904601369, 1033830136, 1550745204, 1809202738, 2713804107, 3101490408, 3618405476, 5427608214, 7236810952, 10855216428, 21710432856]

約数ペア:

[(1, 21710432856), (2, 10855216428), (3, 7236810952), (4, 5427608214), (6, 3618405476), (7, 3101490408), (8, 2713804107), (12, 1809202738), (14, 1550745204), (21, 1033830136), (24, 904601369), (28, 775372602), (42, 516915068), (56, 387686301), (84, 258457534), (168, 129228767), (349, 62207544), (379, 57283464), (698, 31103772), (758, 28641732), (977, 22221528), (1047, 20735848), (1137, 19094488), (1396, 15551886), (1516, 14320866), (1954, 11110764), (2094, 10367924), (2274, 9547244), (2443, 8886792), (2653, 8183352), (2792, 7775943), (2931, 7407176), (3032, 7160433), (3908, 5555382), (4188, 5183962), (4548, 4773622), (4886, 4443396), (5306, 4091676), (5862, 3703588), (6839, 3174504), (7329, 2962264), (7816, 2777691), (7959, 2727784), (8376, 2591981), (9096, 2386811), (9772, 2221698), (10612, 2045838), (11724, 1851794), (13678, 1587252), (14658, 1481132), (15918, 1363892), (19544, 1110849), (20517, 1058168), (21224, 1022919), (23448, 925897), (27356, 793626), (29316, 740566), (31836, 681946), (41034, 529084), (54712, 396813), (58632, 370283), (63672, 340973), (82068, 264542), (132271, 164136)]