21679042

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140773}}^1$

素因数の和:140793

約数の個数: 16

約数和(自身を含む): 40542912

約数和(自身を除く): 18863870

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 140773, 281546, 985411, 1548503, 1970822, 3097006, 10839521, 21679042]

約数ペア:

[(1, 21679042), (2, 10839521), (7, 3097006), (11, 1970822), (14, 1548503), (22, 985411), (77, 281546), (154, 140773)]