21237777

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12619}}^1$

素因数の和:12653

約数の個数: 24

約数和(自身を含む): 35436960

約数和(自身を除く): 14199183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12619, 37857, 113571, 138809, 214523, 416427, 643569, 1249281, 1930707, 2359753, 7079259, 21237777]

約数ペア:

[(1, 21237777), (3, 7079259), (9, 2359753), (11, 1930707), (17, 1249281), (33, 643569), (51, 416427), (99, 214523), (153, 138809), (187, 113571), (561, 37857), (1683, 12619)]