21487461954

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{33073}}^1$

素因数の和:33615

約数の個数: 64

約数和(自身を含む): 50801664000

約数和(自身を除く): 29314202046

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 499, 651, 998, 1302, 1497, 2994, 3493, 6986, 10479, 15469, 20958, 30938, 33073, 46407, 66146, 92814, 99219, 108283, 198438, 216566, 231511, 324849, 463022, 649698, 694533, 1025263, 1389066, 2050526, 3075789, 6151578, 7176841, 14353682, 16503427, 21530523, 33006854, 43061046, 49510281, 99020562, 115523989, 231047978, 346571967, 511606237, 693143934, 1023212474, 1534818711, 3069637422, 3581243659, 7162487318, 10743730977, 21487461954]

約数ペア:

[(1, 21487461954), (2, 10743730977), (3, 7162487318), (6, 3581243659), (7, 3069637422), (14, 1534818711), (21, 1023212474), (31, 693143934), (42, 511606237), (62, 346571967), (93, 231047978), (186, 115523989), (217, 99020562), (434, 49510281), (499, 43061046), (651, 33006854), (998, 21530523), (1302, 16503427), (1497, 14353682), (2994, 7176841), (3493, 6151578), (6986, 3075789), (10479, 2050526), (15469, 1389066), (20958, 1025263), (30938, 694533), (33073, 649698), (46407, 463022), (66146, 324849), (92814, 231511), (99219, 216566), (108283, 198438)]