21966423130

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8751563}}^1$

素因数の和:8751821

約数の個数: 16

約数和(自身を含む): 39697094304

約数和(自身を除く): 17730671174

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 8751563, 17503126, 43757815, 87515630, 2196642313, 4393284626, 10983211565, 21966423130]

約数ペア:

[(1, 21966423130), (2, 10983211565), (5, 4393284626), (10, 2196642313), (251, 87515630), (502, 43757815), (1255, 17503126), (2510, 8751563)]