21430683

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 32820480

約数和(自身を除く): 11389797

約数列:

[1, 3, 9, 27, 73, 83, 131, 219, 249, 393, 657, 747, 1179, 1971, 2241, 3537, 6059, 9563, 10873, 18177, 28689, 32619, 54531, 86067, 97857, 163593, 258201, 293571, 793729, 2381187, 7143561, 21430683]

約数ペア:

[(1, 21430683), (3, 7143561), (9, 2381187), (27, 793729), (73, 293571), (83, 258201), (131, 163593), (219, 97857), (249, 86067), (393, 54531), (657, 32619), (747, 28689), (1179, 18177), (1971, 10873), (2241, 9563), (3537, 6059)]