21849327

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 33067008

約数和(自身を除く): 11217681

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1103, 2201, 3309, 6603, 9927, 19809, 34193, 78313, 102579, 234939, 307737, 704817, 2427703, 7283109, 21849327]

約数ペア:

[(1, 21849327), (3, 7283109), (9, 2427703), (31, 704817), (71, 307737), (93, 234939), (213, 102579), (279, 78313), (639, 34193), (1103, 19809), (2201, 9927), (3309, 6603)]