21879095

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27179}}^1$

素因数の和:27214

約数の個数: 16

約数和(自身を含む): 31311360

約数和(自身を除く): 9432265

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 27179, 135895, 190253, 625117, 951265, 3125585, 4375819, 21879095]

約数ペア:

[(1, 21879095), (5, 4375819), (7, 3125585), (23, 951265), (35, 625117), (115, 190253), (161, 135895), (805, 27179)]