21000742

素因数分解:

$2^1\times 7^1\times {\mathrm{1153}}^1\times {\mathrm{1301}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 36060192

約数和(自身を除く): 15059450

約数列:

[1, 2, 7, 14, 1153, 1301, 2306, 2602, 8071, 9107, 16142, 18214, 1500053, 3000106, 10500371, 21000742]

約数ペア:

[(1, 21000742), (2, 10500371), (7, 3000106), (14, 1500053), (1153, 18214), (1301, 16142), (2306, 9107), (2602, 8071)]