21098109

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1231}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 8174211

約数列:

[1, 3, 29, 87, 197, 591, 1231, 3693, 5713, 17139, 35699, 107097, 242507, 727521, 7032703, 21098109]

約数ペア:

[(1, 21098109), (3, 7032703), (29, 727521), (87, 242507), (197, 107097), (591, 35699), (1231, 17139), (3693, 5713)]