21304054

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{1553}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 33752880

約数和(自身を除く): 12448826

約数列:

[1, 2, 19, 38, 361, 722, 1553, 3106, 6859, 13718, 29507, 59014, 560633, 1121266, 10652027, 21304054]

約数ペア:

[(1, 21304054), (2, 10652027), (19, 1121266), (38, 560633), (361, 59014), (722, 29507), (1553, 13718), (3106, 6859)]