21226551

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 7602249

約数列:

[1, 3, 109, 139, 327, 417, 467, 1401, 15151, 45453, 50903, 64913, 152709, 194739, 7075517, 21226551]

約数ペア:

[(1, 21226551), (3, 7075517), (109, 194739), (139, 152709), (327, 64913), (417, 50903), (467, 45453), (1401, 15151)]