21000742038

素因数分解:

$2^1\times 3^2\times {\mathrm{1166707891}}^1$

素因数の和:1166707899

約数の個数: 12

約数和(自身を含む): 45501607788

約数和(自身を除く): 24500865750

約数列:

[1, 2, 3, 6, 9, 18, 1166707891, 2333415782, 3500123673, 7000247346, 10500371019, 21000742038]

約数ペア:

[(1, 21000742038), (2, 10500371019), (3, 7000247346), (6, 3500123673), (9, 2333415782), (18, 1166707891)]