21290098

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1601}}^1$

素因数の和:1773

約数の個数: 16

約数和(自身を含む): 32776920

約数和(自身を除く): 11486822

約数列:

[1, 2, 61, 109, 122, 218, 1601, 3202, 6649, 13298, 97661, 174509, 195322, 349018, 10645049, 21290098]

約数ペア:

[(1, 21290098), (2, 10645049), (61, 349018), (109, 195322), (122, 174509), (218, 97661), (1601, 13298), (3202, 6649)]