21117166

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4273}}^1$

素因数の和:4635

約数の個数: 16

約数和(自身を含む): 36311904

約数和(自身を除く): 15194738

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4273, 4942, 8546, 29911, 59822, 1508369, 3016738, 10558583, 21117166]

約数ペア:

[(1, 21117166), (2, 10558583), (7, 3016738), (14, 1508369), (353, 59822), (706, 29911), (2471, 8546), (4273, 4942)]