21193306

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1451}}^1$

素因数の和:1629

約数の個数: 16

約数和(自身を含む): 32582880

約数和(自身を除く): 11389574

約数列:

[1, 2, 67, 109, 134, 218, 1451, 2902, 7303, 14606, 97217, 158159, 194434, 316318, 10596653, 21193306]

約数ペア:

[(1, 21193306), (2, 10596653), (67, 316318), (109, 194434), (134, 158159), (218, 97217), (1451, 14606), (2902, 7303)]