21700322

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4391}}^1$

素因数の和:4753

約数の個数: 16

約数和(自身を含む): 37314432

約数和(自身を除く): 15614110

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4391, 4942, 8782, 30737, 61474, 1550023, 3100046, 10850161, 21700322]

約数ペア:

[(1, 21700322), (2, 10850161), (7, 3100046), (14, 1550023), (353, 61474), (706, 30737), (2471, 8782), (4391, 4942)]