21265038

素因数分解:

$2^1\times 3^3\times {\mathrm{393797}}^1$

素因数の和:393808

約数の個数: 16

約数和(自身を含む): 47255760

約数和(自身を除く): 25990722

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393797, 787594, 1181391, 2362782, 3544173, 7088346, 10632519, 21265038]

約数ペア:

[(1, 21265038), (2, 10632519), (3, 7088346), (6, 3544173), (9, 2362782), (18, 1181391), (27, 787594), (54, 393797)]