21139967912

素因数分解:

$2^3\times 7^1\times {\mathrm{1669}}^1\times {\mathrm{226183}}^1$

素因数の和:227865

約数の個数: 32

約数和(自身を含む): 45327273600

約数和(自身を除く): 24187305688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1669, 3338, 6676, 11683, 13352, 23366, 46732, 93464, 226183, 452366, 904732, 1583281, 1809464, 3166562, 6333124, 12666248, 377499427, 754998854, 1509997708, 2642495989, 3019995416, 5284991978, 10569983956, 21139967912]

約数ペア:

[(1, 21139967912), (2, 10569983956), (4, 5284991978), (7, 3019995416), (8, 2642495989), (14, 1509997708), (28, 754998854), (56, 377499427), (1669, 12666248), (3338, 6333124), (6676, 3166562), (11683, 1809464), (13352, 1583281), (23366, 904732), (46732, 452366), (93464, 226183)]