2100098847

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{128047}}^1$

素因数の和:128139

約数の個数: 32

約数和(自身を含む): 3540271104

約数和(自身を除く): 1440172257

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 16401, 128047, 384141, 896329, 1408517, 2688987, 4225551, 9091337, 9859619, 27274011, 29578857, 63639359, 100004707, 190918077, 300014121, 700032949, 2100098847]

約数ペア:

[(1, 2100098847), (3, 700032949), (7, 300014121), (11, 190918077), (21, 100004707), (33, 63639359), (71, 29578857), (77, 27274011), (213, 9859619), (231, 9091337), (497, 4225551), (781, 2688987), (1491, 1408517), (2343, 896329), (5467, 384141), (16401, 128047)]