2011921263

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{20507}}^1$

素因数の和:21515

約数の個数: 24

約数和(自身を含む): 3173654016

約数和(自身を除く): 1161732753

約数列:

[1, 3, 9, 11, 33, 99, 991, 2973, 8919, 10901, 20507, 32703, 61521, 98109, 184563, 225577, 676731, 2030193, 20322437, 60967311, 182901933, 223546807, 670640421, 2011921263]

約数ペア:

[(1, 2011921263), (3, 670640421), (9, 223546807), (11, 182901933), (33, 60967311), (99, 20322437), (991, 2030193), (2973, 676731), (8919, 225577), (10901, 184563), (20507, 98109), (32703, 61521)]