21898898

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 40034304

約数和(自身を除く): 18135406

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 1447, 2162, 2894, 7567, 10129, 15134, 20258, 33281, 66562, 68009, 136018, 232967, 465934, 476063, 952126, 1564207, 3128414, 10949449, 21898898]

約数ペア:

[(1, 21898898), (2, 10949449), (7, 3128414), (14, 1564207), (23, 952126), (46, 476063), (47, 465934), (94, 232967), (161, 136018), (322, 68009), (329, 66562), (658, 33281), (1081, 20258), (1447, 15134), (2162, 10129), (2894, 7567)]