21621626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1493}}^1$

素因数の和:2065

約数の個数: 16

約数和(自身を含む): 35013384

約数和(自身を除く): 13391758

約数列:

[1, 2, 13, 26, 557, 1114, 1493, 2986, 7241, 14482, 19409, 38818, 831601, 1663202, 10810813, 21621626]

約数ペア:

[(1, 21621626), (2, 10810813), (13, 1663202), (26, 831601), (557, 38818), (1114, 19409), (1493, 14482), (2986, 7241)]