21389936

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{46099}}^1$

素因数の和:46136

約数の個数: 20

約数和(自身を含む): 42873000

約数和(自身を除く): 21483064

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 46099, 92198, 184396, 368792, 737584, 1336871, 2673742, 5347484, 10694968, 21389936]

約数ペア:

[(1, 21389936), (2, 10694968), (4, 5347484), (8, 2673742), (16, 1336871), (29, 737584), (58, 368792), (116, 184396), (232, 92198), (464, 46099)]