21309064

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3491}}^1$

素因数の和:3613

約数の個数: 32

約数和(自身を含む): 46094400

約数和(自身を除く): 24785336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3491, 6104, 6982, 13964, 24437, 27928, 48874, 97748, 195496, 380519, 761038, 1522076, 2663633, 3044152, 5327266, 10654532, 21309064]

約数ペア:

[(1, 21309064), (2, 10654532), (4, 5327266), (7, 3044152), (8, 2663633), (14, 1522076), (28, 761038), (56, 380519), (109, 195496), (218, 97748), (436, 48874), (763, 27928), (872, 24437), (1526, 13964), (3052, 6982), (3491, 6104)]