21876759

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 33134400

約数和(自身を除く): 11257641

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 1061, 2291, 3183, 6873, 9549, 20619, 30769, 83819, 92307, 251457, 276921, 754371, 2430751, 7292253, 21876759]

約数ペア:

[(1, 21876759), (3, 7292253), (9, 2430751), (29, 754371), (79, 276921), (87, 251457), (237, 92307), (261, 83819), (711, 30769), (1061, 20619), (2291, 9549), (3183, 6873)]