21576258

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{108971}}^1$

素因数の和:108990

約数の個数: 24

約数和(自身を含む): 50998896

約数和(自身を除く): 29422638

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 108971, 217942, 326913, 653826, 980739, 1198681, 1961478, 2397362, 3596043, 7192086, 10788129, 21576258]

約数ペア:

[(1, 21576258), (2, 10788129), (3, 7192086), (6, 3596043), (9, 2397362), (11, 1961478), (18, 1198681), (22, 980739), (33, 653826), (66, 326913), (99, 217942), (198, 108971)]