21171265272

素因数分解:

$2^3\times 3^3\times {\mathrm{131}}^1\times {\mathrm{748207}}^1$

素因数の和:748353

約数の個数: 64

約数和(自身を含む): 59258073600

約数和(自身を除く): 38086808328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 131, 216, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 3537, 4716, 7074, 9432, 14148, 28296, 748207, 1496414, 2244621, 2992828, 4489242, 5985656, 6733863, 8978484, 13467726, 17956968, 20201589, 26935452, 40403178, 53870904, 80806356, 98015117, 161612712, 196030234, 294045351, 392060468, 588090702, 784120936, 882136053, 1176181404, 1764272106, 2352362808, 2646408159, 3528544212, 5292816318, 7057088424, 10585632636, 21171265272]

約数ペア:

[(1, 21171265272), (2, 10585632636), (3, 7057088424), (4, 5292816318), (6, 3528544212), (8, 2646408159), (9, 2352362808), (12, 1764272106), (18, 1176181404), (24, 882136053), (27, 784120936), (36, 588090702), (54, 392060468), (72, 294045351), (108, 196030234), (131, 161612712), (216, 98015117), (262, 80806356), (393, 53870904), (524, 40403178), (786, 26935452), (1048, 20201589), (1179, 17956968), (1572, 13467726), (2358, 8978484), (3144, 6733863), (3537, 5985656), (4716, 4489242), (7074, 2992828), (9432, 2244621), (14148, 1496414), (28296, 748207)]