21411218

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 32814720

約数和(自身を除く): 11403502

約数列:

[1, 2, 59, 118, 421, 431, 842, 862, 24839, 25429, 49678, 50858, 181451, 362902, 10705609, 21411218]

約数ペア:

[(1, 21411218), (2, 10705609), (59, 362902), (118, 181451), (421, 50858), (431, 49678), (842, 25429), (862, 24839)]