21561892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1063}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 41291712

約数和(自身を除く): 19729820

約数列:

[1, 2, 4, 11, 22, 44, 461, 922, 1063, 1844, 2126, 4252, 5071, 10142, 11693, 20284, 23386, 46772, 490043, 980086, 1960172, 5390473, 10780946, 21561892]

約数ペア:

[(1, 21561892), (2, 10780946), (4, 5390473), (11, 1960172), (22, 980086), (44, 490043), (461, 46772), (922, 23386), (1063, 20284), (1844, 11693), (2126, 10142), (4252, 5071)]