21811058

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 11547982

約数列:

[1, 2, 71, 142, 269, 538, 571, 1142, 19099, 38198, 40541, 81082, 153599, 307198, 10905529, 21811058]

約数ペア:

[(1, 21811058), (2, 10905529), (71, 307198), (142, 153599), (269, 81082), (538, 40541), (571, 38198), (1142, 19099)]