21914212

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 39606336

約数和(自身を除く): 17692124

約数列:

[1, 2, 4, 37, 74, 148, 263, 526, 563, 1052, 1126, 2252, 9731, 19462, 20831, 38924, 41662, 83324, 148069, 296138, 592276, 5478553, 10957106, 21914212]

約数ペア:

[(1, 21914212), (2, 10957106), (4, 5478553), (37, 592276), (74, 296138), (148, 148069), (263, 83324), (526, 41662), (563, 38924), (1052, 20831), (1126, 19462), (2252, 9731)]