21742014

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 54107136

約数和(自身を除く): 32365122

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 37, 42, 51, 74, 102, 111, 119, 222, 238, 259, 357, 518, 629, 714, 777, 823, 1258, 1554, 1646, 1887, 2469, 3774, 4403, 4938, 5761, 8806, 11522, 13209, 13991, 17283, 26418, 27982, 30451, 34566, 41973, 60902, 83946, 91353, 97937, 182706, 195874, 213157, 293811, 426314, 517667, 587622, 639471, 1035334, 1278942, 1553001, 3106002, 3623669, 7247338, 10871007, 21742014]

約数ペア:

[(1, 21742014), (2, 10871007), (3, 7247338), (6, 3623669), (7, 3106002), (14, 1553001), (17, 1278942), (21, 1035334), (34, 639471), (37, 587622), (42, 517667), (51, 426314), (74, 293811), (102, 213157), (111, 195874), (119, 182706), (222, 97937), (238, 91353), (259, 83946), (357, 60902), (518, 41973), (629, 34566), (714, 30451), (777, 27982), (823, 26418), (1258, 17283), (1554, 13991), (1646, 13209), (1887, 11522), (2469, 8806), (3774, 5761), (4403, 4938)]