21191926

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3701}}^1$

素因数の和:4119

約数の個数: 16

約数和(自身を含む): 36427680

約数和(自身を除く): 15235754

約数列:

[1, 2, 7, 14, 409, 818, 2863, 3701, 5726, 7402, 25907, 51814, 1513709, 3027418, 10595963, 21191926]

約数ペア:

[(1, 21191926), (2, 10595963), (7, 3027418), (14, 1513709), (409, 51814), (818, 25907), (2863, 7402), (3701, 5726)]