2021020533

素因数分解:

$3^2\times 7^2\times {\mathrm{293}}^1\times {\mathrm{15641}}^1$

素因数の和:15954

約数の個数: 36

約数和(自身を含む): 3407672268

約数和(自身を除く): 1386651735

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 293, 441, 879, 2051, 2637, 6153, 14357, 15641, 18459, 43071, 46923, 109487, 129213, 140769, 328461, 766409, 985383, 2299227, 4582813, 6897681, 13748439, 32079691, 41245317, 96239073, 224557837, 288717219, 673673511, 2021020533]

約数ペア:

[(1, 2021020533), (3, 673673511), (7, 288717219), (9, 224557837), (21, 96239073), (49, 41245317), (63, 32079691), (147, 13748439), (293, 6897681), (441, 4582813), (879, 2299227), (2051, 985383), (2637, 766409), (6153, 328461), (14357, 140769), (15641, 129213), (18459, 109487), (43071, 46923)]