21787298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{971}}^1$

素因数の和:1849

約数の個数: 16

約数和(自身を含む): 35271936

約数和(自身を除く): 13484638

約数列:

[1, 2, 13, 26, 863, 971, 1726, 1942, 11219, 12623, 22438, 25246, 837973, 1675946, 10893649, 21787298]

約数ペア:

[(1, 21787298), (2, 10893649), (13, 1675946), (26, 837973), (863, 25246), (971, 22438), (1726, 12623), (1942, 11219)]