21139616

素因数分解:

$2^5\times {\mathrm{461}}^1\times {\mathrm{1433}}^1$

素因数の和:1904

約数の個数: 24

約数和(自身を含む): 41738004

約数和(自身を除く): 20598388

約数列:

[1, 2, 4, 8, 16, 32, 461, 922, 1433, 1844, 2866, 3688, 5732, 7376, 11464, 14752, 22928, 45856, 660613, 1321226, 2642452, 5284904, 10569808, 21139616]

約数ペア:

[(1, 21139616), (2, 10569808), (4, 5284904), (8, 2642452), (16, 1321226), (32, 660613), (461, 45856), (922, 22928), (1433, 14752), (1844, 11464), (2866, 7376), (3688, 5732)]