21842350

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1123}}^1$

素因数の和:1524

約数の個数: 24

約数和(自身を含む): 40767480

約数和(自身を除く): 18925130

約数列:

[1, 2, 5, 10, 25, 50, 389, 778, 1123, 1945, 2246, 3890, 5615, 9725, 11230, 19450, 28075, 56150, 436847, 873694, 2184235, 4368470, 10921175, 21842350]

約数ペア:

[(1, 21842350), (2, 10921175), (5, 4368470), (10, 2184235), (25, 873694), (50, 436847), (389, 56150), (778, 28075), (1123, 19450), (1945, 11230), (2246, 9725), (3890, 5615)]