21382434

素因数分解:

$2^1\times 3^3\times {\mathrm{395971}}^1$

素因数の和:395982

約数の個数: 16

約数和(自身を含む): 47516640

約数和(自身を除く): 26134206

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 395971, 791942, 1187913, 2375826, 3563739, 7127478, 10691217, 21382434]

約数ペア:

[(1, 21382434), (2, 10691217), (3, 7127478), (6, 3563739), (9, 2375826), (18, 1187913), (27, 791942), (54, 395971)]