21343826

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52571}}^1$

素因数の和:52609

約数の個数: 16

約数和(自身を含む): 37851840

約数和(自身を除く): 16508014

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52571, 105142, 367997, 735994, 1524559, 3049118, 10671913, 21343826]

約数ペア:

[(1, 21343826), (2, 10671913), (7, 3049118), (14, 1524559), (29, 735994), (58, 367997), (203, 105142), (406, 52571)]