21141718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42797}}^1$

素因数の和:42831

約数の個数: 16

約数和(自身を含む): 35950320

約数和(自身を除く): 14808602

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42797, 85594, 556361, 813143, 1112722, 1626286, 10570859, 21141718]

約数ペア:

[(1, 21141718), (2, 10570859), (13, 1626286), (19, 1112722), (26, 813143), (38, 556361), (247, 85594), (494, 42797)]