21354356

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1171}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 38591616

約数和(自身を除く): 17237260

約数列:

[1, 2, 4, 47, 94, 97, 188, 194, 388, 1171, 2342, 4559, 4684, 9118, 18236, 55037, 110074, 113587, 220148, 227174, 454348, 5338589, 10677178, 21354356]

約数ペア:

[(1, 21354356), (2, 10677178), (4, 5338589), (47, 454348), (94, 227174), (97, 220148), (188, 113587), (194, 110074), (388, 55037), (1171, 18236), (2342, 9118), (4559, 4684)]