21163878

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{69163}}^1$

素因数の和:69188

約数の個数: 24

約数和(自身を含む): 48553128

約数和(自身を除く): 27389250

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 69163, 138326, 207489, 414978, 622467, 1175771, 1244934, 2351542, 3527313, 7054626, 10581939, 21163878]

約数ペア:

[(1, 21163878), (2, 10581939), (3, 7054626), (6, 3527313), (9, 2351542), (17, 1244934), (18, 1175771), (34, 622467), (51, 414978), (102, 207489), (153, 138326), (306, 69163)]