21159682

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1381}}^1$

素因数の和:1593

約数の個数: 16

約数和(自身を含む): 32637312

約数和(自身を除く): 11477630

約数列:

[1, 2, 47, 94, 163, 326, 1381, 2762, 7661, 15322, 64907, 129814, 225103, 450206, 10579841, 21159682]

約数ペア:

[(1, 21159682), (2, 10579841), (47, 450206), (94, 225103), (163, 129814), (326, 64907), (1381, 15322), (2762, 7661)]