21942897

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1951}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 30732288

約数和(自身を除く): 8789391

約数列:

[1, 3, 23, 69, 163, 489, 1951, 3749, 5853, 11247, 44873, 134619, 318013, 954039, 7314299, 21942897]

約数ペア:

[(1, 21942897), (3, 7314299), (23, 954039), (69, 318013), (163, 134619), (489, 44873), (1951, 11247), (3749, 5853)]