21966392

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1759}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 47308800

約数和(自身を除く): 25342408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1759, 1784, 3122, 3518, 6244, 7036, 12313, 12488, 14072, 24626, 49252, 98504, 392257, 784514, 1569028, 2745799, 3138056, 5491598, 10983196, 21966392]

約数ペア:

[(1, 21966392), (2, 10983196), (4, 5491598), (7, 3138056), (8, 2745799), (14, 1569028), (28, 784514), (56, 392257), (223, 98504), (446, 49252), (892, 24626), (1561, 14072), (1759, 12488), (1784, 12313), (3122, 7036), (3518, 6244)]