21677886

素因数分解:

$2^1\times 3^2\times {\mathrm{881}}^1\times {\mathrm{1367}}^1$

素因数の和:2256

約数の個数: 24

約数和(自身を含む): 47056464

約数和(自身を除く): 25378578

約数列:

[1, 2, 3, 6, 9, 18, 881, 1367, 1762, 2643, 2734, 4101, 5286, 7929, 8202, 12303, 15858, 24606, 1204327, 2408654, 3612981, 7225962, 10838943, 21677886]

約数ペア:

[(1, 21677886), (2, 10838943), (3, 7225962), (6, 3612981), (9, 2408654), (18, 1204327), (881, 24606), (1367, 15858), (1762, 12303), (2643, 8202), (2734, 7929), (4101, 5286)]