21053636084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{404877617}}^1$

素因数の和:404877634

約数の個数: 12

約数和(自身を含む): 39678006564

約数和(自身を除く): 18624370480

約数列:

[1, 2, 4, 13, 26, 52, 404877617, 809755234, 1619510468, 5263409021, 10526818042, 21053636084]

約数ペア:

[(1, 21053636084), (2, 10526818042), (4, 5263409021), (13, 1619510468), (26, 809755234), (52, 404877617)]