21087734

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{1021}}^1$

素因数の和:1495

約数の個数: 16

約数和(自身を含む): 33112800

約数和(自身を除く): 12025066

約数列:

[1, 2, 23, 46, 449, 898, 1021, 2042, 10327, 20654, 23483, 46966, 458429, 916858, 10543867, 21087734]

約数ペア:

[(1, 21087734), (2, 10543867), (23, 916858), (46, 458429), (449, 46966), (898, 23483), (1021, 20654), (2042, 10327)]