16821428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7523}}^1$

素因数の和:7583

約数の個数: 24

約数和(自身を含む): 32443488

約数和(自身を除く): 15622060

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 7523, 15046, 30092, 97799, 195598, 323489, 391196, 646978, 1293956, 4205357, 8410714, 16821428]

約数ペア:

[(1, 16821428), (2, 8410714), (4, 4205357), (13, 1293956), (26, 646978), (43, 391196), (52, 323489), (86, 195598), (172, 97799), (559, 30092), (1118, 15046), (2236, 7523)]