21172808

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{5741}}^1$

素因数の和:6208

約数の個数: 16

約数和(自身を含む): 39792060

約数和(自身を除く): 18619252

約数列:

[1, 2, 4, 8, 461, 922, 1844, 3688, 5741, 11482, 22964, 45928, 2646601, 5293202, 10586404, 21172808]

約数ペア:

[(1, 21172808), (2, 10586404), (4, 5293202), (8, 2646601), (461, 45928), (922, 22964), (1844, 11482), (3688, 5741)]