21942018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{174143}}^1$

素因数の和:174158

約数の個数: 24

約数和(自身を含む): 54332928

約数和(自身を除く): 32390910

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 174143, 348286, 522429, 1044858, 1219001, 1567287, 2438002, 3134574, 3657003, 7314006, 10971009, 21942018]

約数ペア:

[(1, 21942018), (2, 10971009), (3, 7314006), (6, 3657003), (7, 3134574), (9, 2438002), (14, 1567287), (18, 1219001), (21, 1044858), (42, 522429), (63, 348286), (126, 174143)]