21111046

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2393}}^1$

素因数の和:2807

約数の個数: 16

約数和(自身を含む): 34645968

約数和(自身を除く): 13534922

約数列:

[1, 2, 11, 22, 401, 802, 2393, 4411, 4786, 8822, 26323, 52646, 959593, 1919186, 10555523, 21111046]

約数ペア:

[(1, 21111046), (2, 10555523), (11, 1919186), (22, 959593), (401, 52646), (802, 26323), (2393, 8822), (4411, 4786)]