21803943

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33493}}^1$

素因数の和:33534

約数の個数: 16

約数和(自身を含む): 34297856

約数和(自身を除く): 12493913

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 33493, 100479, 234451, 703353, 1038283, 3114849, 7267981, 21803943]

約数ペア:

[(1, 21803943), (3, 7267981), (7, 3114849), (21, 1038283), (31, 703353), (93, 234451), (217, 100479), (651, 33493)]