21498534

素因数分解:

$2^1\times 3^4\times {\mathrm{132707}}^1$

素因数の和:132721

約数の個数: 20

約数和(自身を含む): 48173004

約数和(自身を除く): 26674470

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 132707, 265414, 398121, 796242, 1194363, 2388726, 3583089, 7166178, 10749267, 21498534]

約数ペア:

[(1, 21498534), (2, 10749267), (3, 7166178), (6, 3583089), (9, 2388726), (18, 1194363), (27, 796242), (54, 398121), (81, 265414), (162, 132707)]