21107776

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10639}}^1$

素因数の和:10682

約数の個数: 28

約数和(自身を含む): 43240960

約数和(自身を除く): 22133184

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10639, 21278, 42556, 85112, 170224, 329809, 340448, 659618, 680896, 1319236, 2638472, 5276944, 10553888, 21107776]

約数ペア:

[(1, 21107776), (2, 10553888), (4, 5276944), (8, 2638472), (16, 1319236), (31, 680896), (32, 659618), (62, 340448), (64, 329809), (124, 170224), (248, 85112), (496, 42556), (992, 21278), (1984, 10639)]