221621382

素因数分解:

$2^1\times 3^2\times {\mathrm{443}}^1\times {\mathrm{27793}}^1$

素因数の和:28244

約数の個数: 24

約数和(自身を含む): 481280904

約数和(自身を除く): 259659522

約数列:

[1, 2, 3, 6, 9, 18, 443, 886, 1329, 2658, 3987, 7974, 27793, 55586, 83379, 166758, 250137, 500274, 12312299, 24624598, 36936897, 73873794, 110810691, 221621382]

約数ペア:

[(1, 221621382), (2, 110810691), (3, 73873794), (6, 36936897), (9, 24624598), (18, 12312299), (443, 500274), (886, 250137), (1329, 166758), (2658, 83379), (3987, 55586), (7974, 27793)]