21297354

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{273043}}^1$

素因数の和:273061

約数の個数: 16

約数和(自身を含む): 45871392

約数和(自身を除く): 24574038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 273043, 546086, 819129, 1638258, 3549559, 7099118, 10648677, 21297354]

約数ペア:

[(1, 21297354), (2, 10648677), (3, 7099118), (6, 3549559), (13, 1638258), (26, 819129), (39, 546086), (78, 273043)]