21880026

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173651}}^1$

素因数の和:173666

約数の個数: 24

約数和(自身を含む): 54179424

約数和(自身を除く): 32299398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173651, 347302, 520953, 1041906, 1215557, 1562859, 2431114, 3125718, 3646671, 7293342, 10940013, 21880026]

約数ペア:

[(1, 21880026), (2, 10940013), (3, 7293342), (6, 3646671), (7, 3125718), (9, 2431114), (14, 1562859), (18, 1215557), (21, 1041906), (42, 520953), (63, 347302), (126, 173651)]