21002794

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:845

約数の個数: 16

約数和(自身を含む): 32114880

約数和(自身を除く): 11112086

約数列:

[1, 2, 71, 142, 353, 419, 706, 838, 25063, 29749, 50126, 59498, 147907, 295814, 10501397, 21002794]

約数ペア:

[(1, 21002794), (2, 10501397), (71, 295814), (142, 147907), (353, 59498), (419, 50126), (706, 29749), (838, 25063)]