21893548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1063}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 40517120

約数和(自身を除く): 18623572

約数列:

[1, 2, 4, 19, 38, 76, 271, 542, 1063, 1084, 2126, 4252, 5149, 10298, 20197, 20596, 40394, 80788, 288073, 576146, 1152292, 5473387, 10946774, 21893548]

約数ペア:

[(1, 21893548), (2, 10946774), (4, 5473387), (19, 1152292), (38, 576146), (76, 288073), (271, 80788), (542, 40394), (1063, 20596), (1084, 20197), (2126, 10298), (4252, 5149)]