21477443

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 24685920

約数和(自身を除く): 3208477

約数列:

[1, 13, 17, 157, 221, 619, 2041, 2669, 8047, 10523, 34697, 97183, 136799, 1263379, 1652111, 21477443]

約数ペア:

[(1, 21477443), (13, 1652111), (17, 1263379), (157, 136799), (221, 97183), (619, 34697), (2041, 10523), (2669, 8047)]