21508372

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1181}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 39218760

約数和(自身を除く): 17710388

約数列:

[1, 2, 4, 29, 58, 116, 157, 314, 628, 1181, 2362, 4553, 4724, 9106, 18212, 34249, 68498, 136996, 185417, 370834, 741668, 5377093, 10754186, 21508372]

約数ペア:

[(1, 21508372), (2, 10754186), (4, 5377093), (29, 741668), (58, 370834), (116, 185417), (157, 136996), (314, 68498), (628, 34249), (1181, 18212), (2362, 9106), (4553, 4724)]