21430026

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 48207744

約数和(自身を除く): 26777718

約数列:

[1, 2, 3, 6, 9, 18, 47, 73, 94, 141, 146, 219, 282, 347, 423, 438, 657, 694, 846, 1041, 1314, 2082, 3123, 3431, 6246, 6862, 10293, 16309, 20586, 25331, 30879, 32618, 48927, 50662, 61758, 75993, 97854, 146781, 151986, 227979, 293562, 455958, 1190557, 2381114, 3571671, 7143342, 10715013, 21430026]

約数ペア:

[(1, 21430026), (2, 10715013), (3, 7143342), (6, 3571671), (9, 2381114), (18, 1190557), (47, 455958), (73, 293562), (94, 227979), (141, 151986), (146, 146781), (219, 97854), (282, 75993), (347, 61758), (423, 50662), (438, 48927), (657, 32618), (694, 30879), (846, 25331), (1041, 20586), (1314, 16309), (2082, 10293), (3123, 6862), (3431, 6246)]