21399054

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{187711}}^1$

素因数の和:187735

約数の個数: 16

約数和(自身を含む): 45050880

約数和(自身を除く): 23651826

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 187711, 375422, 563133, 1126266, 3566509, 7133018, 10699527, 21399054]

約数ペア:

[(1, 21399054), (2, 10699527), (3, 7133018), (6, 3566509), (19, 1126266), (38, 563133), (57, 375422), (114, 187711)]