21496954

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{3221}}^1$

素因数の和:3341

約数の個数: 16

約数和(自身を含む): 33405696

約数和(自身を除く): 11908742

約数列:

[1, 2, 47, 71, 94, 142, 3221, 3337, 6442, 6674, 151387, 228691, 302774, 457382, 10748477, 21496954]

約数ペア:

[(1, 21496954), (2, 10748477), (47, 457382), (71, 302774), (94, 228691), (142, 151387), (3221, 6674), (3337, 6442)]