21114423

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{787}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 33436416

約数和(自身を除く): 12321993

約数列:

[1, 3, 9, 11, 33, 99, 271, 787, 813, 2361, 2439, 2981, 7083, 8657, 8943, 25971, 26829, 77913, 213277, 639831, 1919493, 2346047, 7038141, 21114423]

約数ペア:

[(1, 21114423), (3, 7038141), (9, 2346047), (11, 1919493), (33, 639831), (99, 213277), (271, 77913), (787, 26829), (813, 25971), (2361, 8943), (2439, 8657), (2981, 7083)]