21494862

素因数分解:

$2^1\times 3^3\times {\mathrm{398053}}^1$

素因数の和:398064

約数の個数: 16

約数和(自身を含む): 47766480

約数和(自身を除く): 26271618

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 398053, 796106, 1194159, 2388318, 3582477, 7164954, 10747431, 21494862]

約数ペア:

[(1, 21494862), (2, 10747431), (3, 7164954), (6, 3582477), (9, 2388318), (18, 1194159), (27, 796106), (54, 398053)]