21271956

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{7417}}^1$

素因数の和:7663

約数の個数: 24

約数和(自身を含む): 49848960

約数和(自身を除く): 28577004

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 7417, 14834, 22251, 29668, 44502, 89004, 1772663, 3545326, 5317989, 7090652, 10635978, 21271956]

約数ペア:

[(1, 21271956), (2, 10635978), (3, 7090652), (4, 5317989), (6, 3545326), (12, 1772663), (239, 89004), (478, 44502), (717, 29668), (956, 22251), (1434, 14834), (2868, 7417)]