21759886

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:336

約数の個数: 24

約数和(自身を含む): 34600104

約数和(自身を除く): 12840218

約数列:

[1, 2, 23, 46, 131, 157, 262, 314, 529, 1058, 3013, 3611, 6026, 7222, 20567, 41134, 69299, 83053, 138598, 166106, 473041, 946082, 10879943, 21759886]

約数ペア:

[(1, 21759886), (2, 10879943), (23, 946082), (46, 473041), (131, 166106), (157, 138598), (262, 83053), (314, 69299), (529, 41134), (1058, 20567), (3013, 7222), (3611, 6026)]