21994552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144701}}^1$

素因数の和:144726

約数の個数: 16

約数和(自身を含む): 43410600

約数和(自身を除く): 21416048

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144701, 289402, 578804, 1157608, 2749319, 5498638, 10997276, 21994552]

約数ペア:

[(1, 21994552), (2, 10997276), (4, 5498638), (8, 2749319), (19, 1157608), (38, 578804), (76, 289402), (152, 144701)]