21061658

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6619}}^1$

素因数の和:6701

約数の個数: 16

約数和(自身を含む): 33205920

約数和(自身を除く): 12144262

約数列:

[1, 2, 37, 43, 74, 86, 1591, 3182, 6619, 13238, 244903, 284617, 489806, 569234, 10530829, 21061658]

約数ペア:

[(1, 21061658), (2, 10530829), (37, 569234), (43, 489806), (74, 284617), (86, 244903), (1591, 13238), (3182, 6619)]