21607509

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1051}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 36357120

約数和(自身を除く): 14749611

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 231, 267, 623, 979, 1051, 1869, 2937, 3153, 6853, 7357, 11561, 20559, 22071, 34683, 80927, 93539, 242781, 280617, 654773, 1028929, 1964319, 3086787, 7202503, 21607509]

約数ペア:

[(1, 21607509), (3, 7202503), (7, 3086787), (11, 1964319), (21, 1028929), (33, 654773), (77, 280617), (89, 242781), (231, 93539), (267, 80927), (623, 34683), (979, 22071), (1051, 20559), (1869, 11561), (2937, 7357), (3153, 6853)]