21431860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46591}}^1$

素因数の和:46623

約数の個数: 24

約数和(自身を含む): 46964736

約数和(自身を除く): 25532876

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46591, 93182, 186364, 232955, 465910, 931820, 1071593, 2143186, 4286372, 5357965, 10715930, 21431860]

約数ペア:

[(1, 21431860), (2, 10715930), (4, 5357965), (5, 4286372), (10, 2143186), (20, 1071593), (23, 931820), (46, 465910), (92, 232955), (115, 186364), (230, 93182), (460, 46591)]