21946001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1384

約数の個数: 16

約数和(自身を含む): 27492480

約数和(自身を除く): 5546479

約数列:

[1, 7, 11, 77, 257, 1109, 1799, 2827, 7763, 12199, 19789, 85393, 285013, 1995091, 3135143, 21946001]

約数ペア:

[(1, 21946001), (7, 3135143), (11, 1995091), (77, 285013), (257, 85393), (1109, 19789), (1799, 12199), (2827, 7763)]