21167688392

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{19035691}}^1$

素因数の和:19035836

約数の個数: 16

約数和(自身を含む): 39974953200

約数和(自身を除く): 18807264808

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 19035691, 38071382, 76142764, 152285528, 2645961049, 5291922098, 10583844196, 21167688392]

約数ペア:

[(1, 21167688392), (2, 10583844196), (4, 5291922098), (8, 2645961049), (139, 152285528), (278, 76142764), (556, 38071382), (1112, 19035691)]