21697128

素因数分解:

$2^3\times 3^2\times {\mathrm{301349}}^1$

素因数の和:301361

約数の個数: 24

約数和(自身を含む): 58763250

約数和(自身を除く): 37066122

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 301349, 602698, 904047, 1205396, 1808094, 2410792, 2712141, 3616188, 5424282, 7232376, 10848564, 21697128]

約数ペア:

[(1, 21697128), (2, 10848564), (3, 7232376), (4, 5424282), (6, 3616188), (8, 2712141), (9, 2410792), (12, 1808094), (18, 1205396), (24, 904047), (36, 602698), (72, 301349)]