21881442

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331537}}^1$

素因数の和:331553

約数の個数: 16

約数和(自身を含む): 47741472

約数和(自身を除く): 25860030

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331537, 663074, 994611, 1989222, 3646907, 7293814, 10940721, 21881442]

約数ペア:

[(1, 21881442), (2, 10940721), (3, 7293814), (6, 3646907), (11, 1989222), (22, 994611), (33, 663074), (66, 331537)]