21000519339

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{3331}}^1\times {\mathrm{123619}}^1$

素因数の和:126970

約数の個数: 16

約数和(自身を含む): 29656932480

約数和(自身を除く): 8656413141

約数列:

[1, 3, 17, 51, 3331, 9993, 56627, 123619, 169881, 370857, 2101523, 6304569, 411774889, 1235324667, 7000173113, 21000519339]

約数ペア:

[(1, 21000519339), (3, 7000173113), (17, 1235324667), (51, 411774889), (3331, 6304569), (9993, 2101523), (56627, 370857), (123619, 169881)]