21059638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{1447}}^1$

素因数の和:1851

約数の個数: 16

約数和(自身を含む): 33361920

約数和(自身を除く): 12302282

約数列:

[1, 2, 19, 38, 383, 766, 1447, 2894, 7277, 14554, 27493, 54986, 554201, 1108402, 10529819, 21059638]

約数ペア:

[(1, 21059638), (2, 10529819), (19, 1108402), (38, 554201), (383, 54986), (766, 27493), (1447, 14554), (2894, 7277)]