21423578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6449}}^1$

素因数の和:6613

約数の個数: 16

約数和(自身を含む): 35294400

約数和(自身を除く): 13870822

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 6449, 12898, 70939, 141878, 973799, 1947598, 10711789, 21423578]

約数ペア:

[(1, 21423578), (2, 10711789), (11, 1947598), (22, 973799), (151, 141878), (302, 70939), (1661, 12898), (3322, 6449)]