21571922

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 11260078

約数列:

[1, 2, 149, 191, 298, 379, 382, 758, 28459, 56471, 56918, 72389, 112942, 144778, 10785961, 21571922]

約数ペア:

[(1, 21571922), (2, 10785961), (149, 144778), (191, 112942), (298, 72389), (379, 56918), (382, 56471), (758, 28459)]