21877254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173629}}^1$

素因数の和:173644

約数の個数: 24

約数和(自身を含む): 54172560

約数和(自身を除く): 32295306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173629, 347258, 520887, 1041774, 1215403, 1562661, 2430806, 3125322, 3646209, 7292418, 10938627, 21877254]

約数ペア:

[(1, 21877254), (2, 10938627), (3, 7292418), (6, 3646209), (7, 3125322), (9, 2430806), (14, 1562661), (18, 1215403), (21, 1041774), (42, 520887), (63, 347258), (126, 173629)]