21432978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56701}}^1$

素因数の和:56719

約数の個数: 32

約数和(自身を含む): 54433920

約数和(自身を除く): 33000942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56701, 113402, 170103, 340206, 396907, 510309, 793814, 1020618, 1190721, 1530927, 2381442, 3061854, 3572163, 7144326, 10716489, 21432978]

約数ペア:

[(1, 21432978), (2, 10716489), (3, 7144326), (6, 3572163), (7, 3061854), (9, 2381442), (14, 1530927), (18, 1190721), (21, 1020618), (27, 793814), (42, 510309), (54, 396907), (63, 340206), (126, 170103), (189, 113402), (378, 56701)]