21541878

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{15149}}^1$

素因数の和:15236

約数の個数: 24

約数和(自身を含む): 47268000

約数和(自身を除く): 25726122

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 15149, 30298, 45447, 90894, 136341, 272682, 1196771, 2393542, 3590313, 7180626, 10770939, 21541878]

約数ペア:

[(1, 21541878), (2, 10770939), (3, 7180626), (6, 3590313), (9, 2393542), (18, 1196771), (79, 272682), (158, 136341), (237, 90894), (474, 45447), (711, 30298), (1422, 15149)]