21383478

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4517}}^1$

素因数の和:4788

約数の個数: 24

約数和(自身を含む): 46517328

約数和(自身を除く): 25133850

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4517, 4734, 9034, 13551, 27102, 40653, 81306, 1187971, 2375942, 3563913, 7127826, 10691739, 21383478]

約数ペア:

[(1, 21383478), (2, 10691739), (3, 7127826), (6, 3563913), (9, 2375942), (18, 1187971), (263, 81306), (526, 40653), (789, 27102), (1578, 13551), (2367, 9034), (4517, 4734)]