21004678

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{3593}}^1$

素因数の和:3711

約数の個数: 16

約数和(自身を含む): 32777280

約数和(自身を除く): 11772602

約数列:

[1, 2, 37, 74, 79, 158, 2923, 3593, 5846, 7186, 132941, 265882, 283847, 567694, 10502339, 21004678]

約数ペア:

[(1, 21004678), (2, 10502339), (37, 567694), (74, 283847), (79, 265882), (158, 132941), (2923, 7186), (3593, 5846)]