21017826

素因数分解:

$2^1\times 3^3\times {\mathrm{389219}}^1$

素因数の和:389230

約数の個数: 16

約数和(自身を含む): 46706400

約数和(自身を除く): 25688574

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389219, 778438, 1167657, 2335314, 3502971, 7005942, 10508913, 21017826]

約数ペア:

[(1, 21017826), (2, 10508913), (3, 7005942), (6, 3502971), (9, 2335314), (18, 1167657), (27, 778438), (54, 389219)]