21293246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8443}}^1$

素因数の和:8555

約数の個数: 16

約数和(自身を含む): 34755504

約数和(自身を除く): 13462258

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 8443, 16886, 109759, 219518, 818971, 1637942, 10646623, 21293246]

約数ペア:

[(1, 21293246), (2, 10646623), (13, 1637942), (26, 818971), (97, 219518), (194, 109759), (1261, 16886), (2522, 8443)]