21189666

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49741}}^1$

素因数の和:49817

約数の個数: 16

約数和(自身を含む): 42977088

約数和(自身を除く): 21787422

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49741, 99482, 149223, 298446, 3531611, 7063222, 10594833, 21189666]

約数ペア:

[(1, 21189666), (2, 10594833), (3, 7063222), (6, 3531611), (71, 298446), (142, 149223), (213, 99482), (426, 49741)]