21450616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1409}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 44161200

約数和(自身を除く): 22710584

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1384, 1409, 1903, 2818, 3806, 5636, 7612, 11272, 15224, 15499, 30998, 61996, 123992, 243757, 487514, 975028, 1950056, 2681327, 5362654, 10725308, 21450616]

約数ペア:

[(1, 21450616), (2, 10725308), (4, 5362654), (8, 2681327), (11, 1950056), (22, 975028), (44, 487514), (88, 243757), (173, 123992), (346, 61996), (692, 30998), (1384, 15499), (1409, 15224), (1903, 11272), (2818, 7612), (3806, 5636)]