2021967591

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3105941}}^1$

素因数の和:3105982

約数の個数: 16

約数和(自身を含む): 3180484608

約数和(自身を除く): 1158517017

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3105941, 9317823, 21741587, 65224761, 96284171, 288852513, 673989197, 2021967591]

約数ペア:

[(1, 2021967591), (3, 673989197), (7, 288852513), (21, 96284171), (31, 65224761), (93, 21741587), (217, 9317823), (651, 3105941)]