21549226

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{1021}}^1$

素因数の和:1257

約数の個数: 16

約数和(自身を含む): 33076008

約数和(自身を除く): 11526782

約数列:

[1, 2, 61, 122, 173, 346, 1021, 2042, 10553, 21106, 62281, 124562, 176633, 353266, 10774613, 21549226]

約数ペア:

[(1, 21549226), (2, 10774613), (61, 353266), (122, 176633), (173, 124562), (346, 62281), (1021, 21106), (2042, 10553)]