21918666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 58222080

約数和(自身を除く): 36303414

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 121, 133, 154, 209, 227, 231, 242, 266, 363, 399, 418, 454, 462, 627, 681, 726, 798, 847, 1254, 1362, 1463, 1589, 1694, 2299, 2497, 2541, 2926, 3178, 4313, 4389, 4598, 4767, 4994, 5082, 6897, 7491, 8626, 8778, 9534, 12939, 13794, 14982, 16093, 17479, 25878, 27467, 30191, 32186, 34958, 47443, 48279, 52437, 54934, 60382, 82401, 90573, 94886, 96558, 104874, 142329, 164802, 181146, 192269, 284658, 332101, 384538, 521873, 576807, 664202, 996303, 1043746, 1153614, 1565619, 1992606, 3131238, 3653111, 7306222, 10959333, 21918666]

約数ペア:

[(1, 21918666), (2, 10959333), (3, 7306222), (6, 3653111), (7, 3131238), (11, 1992606), (14, 1565619), (19, 1153614), (21, 1043746), (22, 996303), (33, 664202), (38, 576807), (42, 521873), (57, 384538), (66, 332101), (77, 284658), (114, 192269), (121, 181146), (133, 164802), (154, 142329), (209, 104874), (227, 96558), (231, 94886), (242, 90573), (266, 82401), (363, 60382), (399, 54934), (418, 52437), (454, 48279), (462, 47443), (627, 34958), (681, 32186), (726, 30191), (798, 27467), (847, 25878), (1254, 17479), (1362, 16093), (1463, 14982), (1589, 13794), (1694, 12939), (2299, 9534), (2497, 8778), (2541, 8626), (2926, 7491), (3178, 6897), (4313, 5082), (4389, 4994), (4598, 4767)]