21298021218

素因数分解:

$2^1\times 3^2\times {\mathrm{1183223401}}^1$

素因数の和:1183223409

約数の個数: 12

約数和(自身を含む): 46145712678

約数和(自身を除く): 24847691460

約数列:

[1, 2, 3, 6, 9, 18, 1183223401, 2366446802, 3549670203, 7099340406, 10649010609, 21298021218]

約数ペア:

[(1, 21298021218), (2, 10649010609), (3, 7099340406), (6, 3549670203), (9, 2366446802), (18, 1183223401)]