21093033

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{971}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 30373056

約数和(自身を除く): 9280023

約数列:

[1, 3, 13, 39, 557, 971, 1671, 2913, 7241, 12623, 21723, 37869, 540847, 1622541, 7031011, 21093033]

約数ペア:

[(1, 21093033), (3, 7031011), (13, 1622541), (39, 540847), (557, 37869), (971, 21723), (1671, 12623), (2913, 7241)]