21095514874

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4993}}^1\times {\mathrm{6421}}^1$

素因数の和:11470

約数の個数: 32

約数和(自身を含む): 36946331136

約数和(自身を除く): 15850816262

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 4993, 6421, 9986, 12842, 34951, 44947, 69902, 89894, 234671, 301787, 469342, 603574, 1642697, 2112509, 3285394, 4225018, 32060053, 64120106, 224420371, 448840742, 1506822491, 3013644982, 10547757437, 21095514874]

約数ペア:

[(1, 21095514874), (2, 10547757437), (7, 3013644982), (14, 1506822491), (47, 448840742), (94, 224420371), (329, 64120106), (658, 32060053), (4993, 4225018), (6421, 3285394), (9986, 2112509), (12842, 1642697), (34951, 603574), (44947, 469342), (69902, 301787), (89894, 234671)]