21241321

素因数分解:

${\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 22675968

約数和(自身を除く): 1434647

約数列:

[1, 41, 47, 73, 151, 1927, 2993, 3431, 6191, 7097, 11023, 140671, 290977, 451943, 518081, 21241321]

約数ペア:

[(1, 21241321), (41, 518081), (47, 451943), (73, 290977), (151, 140671), (1927, 11023), (2993, 7097), (3431, 6191)]