21447454

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1624

約数の個数: 32

約数和(自身を含む): 39283200

約数和(自身を除く): 17835746

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 989, 1549, 1978, 3098, 6923, 10843, 13846, 21686, 35627, 66607, 71254, 133214, 249389, 466249, 498778, 932498, 1531961, 3063922, 10723727, 21447454]

約数ペア:

[(1, 21447454), (2, 10723727), (7, 3063922), (14, 1531961), (23, 932498), (43, 498778), (46, 466249), (86, 249389), (161, 133214), (301, 71254), (322, 66607), (602, 35627), (989, 21686), (1549, 13846), (1978, 10843), (3098, 6923)]