21574242

素因数分解:

$2^1\times 3^3\times {\mathrm{399523}}^1$

素因数の和:399534

約数の個数: 16

約数和(自身を含む): 47942880

約数和(自身を除く): 26368638

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399523, 799046, 1198569, 2397138, 3595707, 7191414, 10787121, 21574242]

約数ペア:

[(1, 21574242), (2, 10787121), (3, 7191414), (6, 3595707), (9, 2397138), (18, 1198569), (27, 799046), (54, 399523)]