21823067

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1523}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 26334720

約数和(自身を除く): 4511653

約数列:

[1, 7, 23, 89, 161, 623, 1523, 2047, 10661, 14329, 35029, 135547, 245203, 948829, 3117581, 21823067]

約数ペア:

[(1, 21823067), (7, 3117581), (23, 948829), (89, 245203), (161, 135547), (623, 35029), (1523, 14329), (2047, 10661)]