21803793

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{1249}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 33180000

約数和(自身を除く): 11376207

約数列:

[1, 3, 11, 23, 33, 69, 253, 529, 759, 1249, 1587, 3747, 5819, 13739, 17457, 28727, 41217, 86181, 315997, 660721, 947991, 1982163, 7267931, 21803793]

約数ペア:

[(1, 21803793), (3, 7267931), (11, 1982163), (23, 947991), (33, 660721), (69, 315997), (253, 86181), (529, 41217), (759, 28727), (1249, 17457), (1587, 13739), (3747, 5819)]