21249162

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 31005558

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 83, 99, 166, 198, 249, 297, 431, 498, 594, 747, 862, 913, 1293, 1494, 1826, 2241, 2586, 2739, 3879, 4482, 4741, 5478, 7758, 8217, 9482, 11637, 14223, 16434, 23274, 24651, 28446, 35773, 42669, 49302, 71546, 85338, 107319, 128007, 214638, 256014, 321957, 393503, 643914, 787006, 965871, 1180509, 1931742, 2361018, 3541527, 7083054, 10624581, 21249162]

約数ペア:

[(1, 21249162), (2, 10624581), (3, 7083054), (6, 3541527), (9, 2361018), (11, 1931742), (18, 1180509), (22, 965871), (27, 787006), (33, 643914), (54, 393503), (66, 321957), (83, 256014), (99, 214638), (166, 128007), (198, 107319), (249, 85338), (297, 71546), (431, 49302), (498, 42669), (594, 35773), (747, 28446), (862, 24651), (913, 23274), (1293, 16434), (1494, 14223), (1826, 11637), (2241, 9482), (2586, 8217), (2739, 7758), (3879, 5478), (4482, 4741)]