21098979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7349}}^1$

素因数の和:7395

約数の個数: 24

約数和(自身を含む): 34398000

約数和(自身を除く): 13299021

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7349, 22047, 66141, 80839, 213121, 242517, 639363, 727551, 1918089, 2344331, 7032993, 21098979]

約数ペア:

[(1, 21098979), (3, 7032993), (9, 2344331), (11, 1918089), (29, 727551), (33, 639363), (87, 242517), (99, 213121), (261, 80839), (319, 66141), (957, 22047), (2871, 7349)]