21000391753

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1\times {\mathrm{1733}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 24138611712

約数和(自身を除く): 3138219959

約数列:

[1, 11, 23, 211, 227, 253, 1733, 2321, 2497, 4853, 5221, 19063, 39859, 47897, 53383, 57431, 365663, 393391, 438449, 526867, 1101631, 4022293, 4327301, 8410249, 9047993, 12117941, 83005501, 92512739, 99527923, 913060511, 1909126523, 21000391753]

約数ペア:

[(1, 21000391753), (11, 1909126523), (23, 913060511), (211, 99527923), (227, 92512739), (253, 83005501), (1733, 12117941), (2321, 9047993), (2497, 8410249), (4853, 4327301), (5221, 4022293), (19063, 1101631), (39859, 526867), (47897, 438449), (53383, 393391), (57431, 365663)]