21936453

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 15601467

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 97, 121, 231, 267, 291, 363, 623, 679, 847, 979, 1067, 1869, 2037, 2541, 2937, 3201, 6853, 7469, 8633, 10769, 11737, 20559, 22407, 25899, 32307, 35211, 60431, 75383, 82159, 94963, 181293, 226149, 246477, 284889, 664741, 1044593, 1994223, 3133779, 7312151, 21936453]

約数ペア:

[(1, 21936453), (3, 7312151), (7, 3133779), (11, 1994223), (21, 1044593), (33, 664741), (77, 284889), (89, 246477), (97, 226149), (121, 181293), (231, 94963), (267, 82159), (291, 75383), (363, 60431), (623, 35211), (679, 32307), (847, 25899), (979, 22407), (1067, 20559), (1869, 11737), (2037, 10769), (2541, 8633), (2937, 7469), (3201, 6853)]