21261206

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{1033}}^1$

素因数の和:1327

約数の個数: 16

約数和(自身を含む): 32831568

約数和(自身を除く): 11570362

約数列:

[1, 2, 41, 82, 251, 502, 1033, 2066, 10291, 20582, 42353, 84706, 259283, 518566, 10630603, 21261206]

約数ペア:

[(1, 21261206), (2, 10630603), (41, 518566), (82, 259283), (251, 84706), (502, 42353), (1033, 20582), (2066, 10291)]