21707861

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9601}}^1$

素因数の和:9644

約数の個数: 16

約数和(自身を含む): 27653760

約数和(自身を除く): 5945899

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9601, 67207, 163217, 182419, 1142519, 1276933, 3101123, 21707861]

約数ペア:

[(1, 21707861), (7, 3101123), (17, 1276933), (19, 1142519), (119, 182419), (133, 163217), (323, 67207), (2261, 9601)]