21635852

素因数分解:

$2^2\times 7^2\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:846

約数の個数: 36

約数和(自身を含む): 44375184

約数和(自身を除く): 22739332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 167, 196, 334, 661, 668, 1169, 1322, 2338, 2644, 4627, 4676, 8183, 9254, 16366, 18508, 32389, 32732, 64778, 110387, 129556, 220774, 441548, 772709, 1545418, 3090836, 5408963, 10817926, 21635852]

約数ペア:

[(1, 21635852), (2, 10817926), (4, 5408963), (7, 3090836), (14, 1545418), (28, 772709), (49, 441548), (98, 220774), (167, 129556), (196, 110387), (334, 64778), (661, 32732), (668, 32389), (1169, 18508), (1322, 16366), (2338, 9254), (2644, 8183), (4627, 4676)]